ranger - mirror of ranger - a simple, vim-like file manager

	Commit message (Expand)	Author	Age	Files	Lines
...
*	random improvements	hut	2009-11-29	1	-2/+2
*	implemented colorschemes.	hut	2009-11-29	1	-10/+10
*	started to implement colorschemes	hut	2009-11-29	1	-6/+11
*	restructuration	hut	2009-11-28	1	-33/+33
*	embedded wrapper.sh into ranger.py	hut	2009-11-27	1	-0/+12
*	cd-after-exit	hut	2009-11-27	1	-4/+17
*	general improvement	hut	2009-11-27	1	-1/+1
*	more VROOM	hut	2009-11-27	1	-0/+38

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<a href='https://github.com/akkartik/mu/blob/master/056shape_shifting_recipe.cc'>https://github.com/akkartik/mu/blob/master/056shape_shifting_recipe.cc</a>
<pre id='vimCodeElement'>
<span id="L1" class="LineNr">   1 </span><span class="SalientComment">//:: Like container definitions, recipes too can contain type parameters.</span>
<span id="L2" class="LineNr">   2 </span>
<span id="L3" class="LineNr">   3 </span><span class="Delimiter">:(scenario shape_shifting_recipe)</span>
<span id="L4" class="LineNr">   4 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L5" class="LineNr">   5 </span>  <span class="Constant">10</span>:point<span class="Special"> &lt;- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span>
<span id="L6" class="LineNr">   6 </span>  <span class="Constant">12</span>:point<span class="Special"> &lt;- </span>foo <span class="Constant">10</span>:point
<span id="L7" class="LineNr">   7 </span>]
<span id="L8" class="LineNr">   8 </span><span class="Comment"># non-matching variant</span>
<span id="L9" class="LineNr">   9 </span><span class="muRecipe">def</span> foo a:num<span class="muRecipe"> -&gt; </span>result:num [
<span id="L10" class="LineNr">  10 </span>  local-scope
<span id="L11" class="LineNr">  11 </span>  load-ingredients
<span id="L12" class="LineNr">  12 </span>  result<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L13" class="LineNr">  13 </span>]
<span id="L14" class="LineNr">  14 </span><span class="Comment"># matching shape-shifting variant</span>
<span id="L15" class="LineNr">  15 </span><span class="muRecipe">def</span> foo a:_t<span class="muRecipe"> -&gt; </span>result:_t [
<span id="L16" class="LineNr">  16 </span>  local-scope
<span id="L17" class="LineNr">  17 </span>  load-ingredients
<span id="L18" class="LineNr">  18 </span>  result<span class="Special"> &lt;- </span>copy a
<span id="L19" class="LineNr">  19 </span>]
<span id="L20" class="LineNr">  20 </span><span class="traceContains">+mem: storing 14 in location 12</span>
<span id="L21" class="LineNr">  21 </span><span class="traceContains">+mem: storing 15 in location 13</span>
<span id="L22" class="LineNr">  22 </span>
<span id="L23" class="LineNr">  23 </span><span class="Comment">//: Before anything else, disable transforms for shape-shifting recipes and</span>
<span id="L24" class="LineNr">  24 </span><span class="Comment">//: make sure we never try to actually run a shape-shifting recipe. We should</span>
<span id="L25" class="LineNr">  25 </span><span class="Comment">//: be rewriting such instructions to *specializations* with the type</span>
<span id="L26" class="LineNr">  26 </span><span class="Comment">//: ingredients filled in.</span>
<span id="L27" class="LineNr">  27 </span>
<span id="L28" class="LineNr">  28 </span><span class="Comment">//: One exception (and this makes things very ugly): we need to expand type</span>
<span id="L29" class="LineNr">  29 </span><span class="Comment">//: abbreviations in shape-shifting recipes because we need them types for</span>
<span id="L30" class="LineNr">  30 </span><span class="Comment">//: deciding which variant to specialize.</span>
<span id="L31" class="LineNr">  31 </span>
<span id="L32" class="LineNr">  32 </span><span class="Delimiter">:(before &quot;End Transform Checks&quot;)</span>
<span id="L33" class="LineNr">  33 </span>r<span class="Delimiter">.</span>transformed_until = t<span class="Delimiter">;</span>
<span id="L34" class="LineNr">  34 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Transform</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>t<span class="Delimiter">)</span> != <span class="Normal">static_cast</span>&lt;transform_fn&gt;<span class="Delimiter">(</span>expand_type_abbreviations<span class="Delimiter">)</span> &amp;&amp; <a href='056shape_shifting_recipe.cc.html#L156'>any_type_ingredient_in_header</a><span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment"><a href='010vm.cc.html#L14'>recipe_ordinal</a></span><span class="Comment">*/</span>p<span class="Delimiter">-&gt;</span>first<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L35" class="LineNr">  35 </span>
<span id="L36" class="LineNr">  36 </span><span class="Delimiter">:(after &quot;Running One Instruction&quot;)</span>
<span id="L37" class="LineNr">  37 </span><span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>running_step_index == <span class="Constant">0</span>
<span id="L38" class="LineNr">  38 </span>    &amp;&amp; <a href='056shape_shifting_recipe.cc.html#L156'>any_type_ingredient_in_header</a><span class="Delimiter">(</span><span class="Special">Current_routine</span><span class="Delimiter">-&gt;</span>calls<span class="Delimiter">.</span>front<span class="Delimiter">().</span>running_recipe<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L39" class="LineNr">  39 </span><span class="CommentedCode">//?   DUMP(&quot;&quot;);</span>
<span id="L40" class="LineNr">  40 </span>  <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;ran into unspecialized shape-shifting <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; <a href='026call.cc.html#L87'>current_recipe_name</a><span class="Delimiter">()</span> &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L41" class="LineNr">  41 </span><span class="CommentedCode">//?   exit(0);</span>
<span id="L42" class="LineNr">  42 </span><span class="Delimiter">}</span>
<span id="L43" class="LineNr">  43 </span>
<span id="L44" class="LineNr">  44 </span><span class="Comment">//: Make sure we don't match up literals with type ingredients without</span>
<span id="L45" class="LineNr">  45 </span><span class="Comment">//: specialization.</span>
<span id="L46" class="LineNr">  46 </span><span class="Delimiter">:(before &quot;End Matching Types For Literal(to)&quot;)</span>
<span id="L47" class="LineNr">  47 </span><span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>to<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L48" class="LineNr">  48 </span>
<span id="L49" class="LineNr">  49 </span><span class="Delimiter">:(after &quot;Static Dispatch Phase 2&quot;)</span>
<span id="L50" class="LineNr">  50 </span>candidates = <a href='056shape_shifting_recipe.cc.html#L73'>strictly_matching_shape_shifting_variants</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> variants<span class="Delimiter">);</span>
<span id="L51" class="LineNr">  51 </span><span class="Normal">if</span> <span class="Delimiter">(</span>!candidates<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Delimiter">{</span>
<span id="L52" class="LineNr">  52 </span>  <a href='010vm.cc.html#L14'>recipe_ordinal</a> exemplar = <a href='056shape_shifting_recipe.cc.html#L106'>best_shape_shifting_variant</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> candidates<span class="Delimiter">);</span>
<span id="L53" class="LineNr">  53 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;found variant to specialize: &quot;</span> &lt;&lt; exemplar &lt;&lt; <span class="Constant">' '</span> &lt;&lt; get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> exemplar<span class="Delimiter">).</span>name &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L54" class="LineNr">  54 </span>  string new_recipe_name = <a href='056shape_shifting_recipe.cc.html#L241'>insert_new_variant</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">);</span>
<span id="L55" class="LineNr">  55 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>new_recipe_name != <span class="Constant">&quot;&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L56" class="LineNr">  56 </span>    <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;new specialization: &quot;</span> &lt;&lt; new_recipe_name &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L57" class="LineNr">  57 </span>    <span class="Identifier">return</span> new_recipe_name<span class="Delimiter">;</span>
<span id="L58" class="LineNr">  58 </span>  <span class="Delimiter">}</span>
<span id="L59" class="LineNr">  59 </span><span class="Delimiter">}</span>
<span id="L60" class="LineNr">  60 </span>
<span id="L61" class="LineNr">  61 </span><span class="Comment">//: before running Mu programs, make sure no unspecialized shape-shifting</span>
<span id="L62" class="LineNr">  62 </span><span class="Comment">//: recipes can be called</span>
<span id="L63" class="LineNr">  63 </span>
<span id="L64" class="LineNr">  64 </span><span class="Delimiter">:(before &quot;End Instruction Operation Checks&quot;)</span>
<span id="L65" class="LineNr">  65 </span><span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> inst<span class="Delimiter">.</span>operation<span class="Delimiter">)</span> &amp;&amp; !is_primitive<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">)</span>
<span id="L66" class="LineNr">  66 </span>    &amp;&amp; <a href='056shape_shifting_recipe.cc.html#L156'>any_type_ingredient_in_header</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>operation<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L67" class="LineNr">  67 </span>  <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;instruction '&quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' has no valid specialization\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L68" class="LineNr">  68 </span>  <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L69" class="LineNr">  69 </span><span class="Delimiter">}</span>
<span id="L70" class="LineNr">  70 </span>
<span id="L71" class="LineNr">  71 </span><span class="Delimiter">:(code)</span>
<span id="L72" class="LineNr">  72 </span><span class="Comment">// phase 3 of static dispatch</span>
<span id="L73" class="LineNr">  73 </span>vector&lt;recipe_ordinal&gt; <a href='056shape_shifting_recipe.cc.html#L73'>strictly_matching_shape_shifting_variants</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> vector&lt;recipe_ordinal&gt;&amp; variants<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L74" class="LineNr">  74 </span>  vector&lt;recipe_ordinal&gt; result<span class="Delimiter">;</span>
<span id="L75" class="LineNr">  75 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variants<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L76" class="LineNr">  76 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)</span> == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L77" class="LineNr">  77 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!any_type_ingredient_in_header<span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L78" class="LineNr">  78 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!all_concrete_header_reagents_strictly_match<span class="Delimiter">(</span>inst<span class="Delimiter">,</span> get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">))))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L79" class="LineNr">  79 </span>    result<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>variants<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L80" class="LineNr">  80 </span>  <span class="Delimiter">}</span>
<span id="L81" class="LineNr">  81 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L82" class="LineNr">  82 </span><span class="Delimiter">}</span>
<span id="L83" class="LineNr">  83 </span>
<span id="L84" class="LineNr">  84 </span><span class="Normal">bool</span> <a href='056shape_shifting_recipe.cc.html#L84'>all_concrete_header_reagents_strictly_match</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L85" class="LineNr">  85 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L86" class="LineNr">  86 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!concrete_type_names_strictly_match<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L87" class="LineNr">  87 </span>      <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;concrete-type match failed: ingredient &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L88" class="LineNr">  88 </span>      <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L89" class="LineNr">  89 </span>    <span class="Delimiter">}</span>
<span id="L90" class="LineNr">  90 </span>  <span class="Delimiter">}</span>
<span id="L91" class="LineNr">  91 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">));</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L92" class="LineNr">  92 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L93" class="LineNr">  93 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!concrete_type_names_strictly_match<span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> <span class="Delimiter">{</span>
<span id="L94" class="LineNr">  94 </span>      <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;concrete-type match failed: product &quot;</span> &lt;&lt; i &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L95" class="LineNr">  95 </span>      <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L96" class="LineNr">  96 </span>    <span class="Delimiter">}</span>
<span id="L97" class="LineNr">  97 </span>  <span class="Delimiter">}</span>
<span id="L98" class="LineNr">  98 </span>  <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L99" class="LineNr">  99 </span><span class="Delimiter">}</span>
<span id="L100" class="LineNr"> 100 </span>
<span id="L101" class="LineNr"> 101 </span><span class="Comment">// manual prototype</span>
<span id="L102" class="LineNr"> 102 </span>vector&lt;recipe_ordinal&gt; <a href='056shape_shifting_recipe.cc.html#L128'>keep_max</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp;<span class="Delimiter">,</span> <span class="Normal">const</span> vector&lt;recipe_ordinal&gt;&amp;<span class="Delimiter">,</span>
<span id="L103" class="LineNr"> 103 </span>                                <span class="Normal">int</span> <span class="Delimiter">(</span>*<span class="Delimiter">)(</span><span class="Normal">const</span> instruction&amp;<span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a><span class="Delimiter">));</span>
<span id="L104" class="LineNr"> 104 </span>
<span id="L105" class="LineNr"> 105 </span><span class="Comment">// tie-breaker for phase 3</span>
<span id="L106" class="LineNr"> 106 </span><a href='010vm.cc.html#L14'>recipe_ordinal</a> <a href='056shape_shifting_recipe.cc.html#L106'>best_shape_shifting_variant</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> vector&lt;recipe_ordinal&gt;&amp; candidates<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L107" class="LineNr"> 107 </span>  assert<span class="Delimiter">(</span>!candidates<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L108" class="LineNr"> 108 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>candidates<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L109" class="LineNr"> 109 </span><span class="CommentedCode">//?   cerr &lt;&lt; &quot;A picking shape-shifting variant:\n&quot;;</span>
<span id="L110" class="LineNr"> 110 </span>  vector&lt;recipe_ordinal&gt; result1 = <a href='056shape_shifting_recipe.cc.html#L128'>keep_max</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> candidates<span class="Delimiter">,</span> number_of_concrete_type_names<span class="Delimiter">);</span>
<span id="L111" class="LineNr"> 111 </span>  assert<span class="Delimiter">(</span>!result1<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L112" class="LineNr"> 112 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>result1<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> result1<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L113" class="LineNr"> 113 </span><span class="CommentedCode">//?   cerr &lt;&lt; &quot;B picking shape-shifting variant:\n&quot;;</span>
<span id="L114" class="LineNr"> 114 </span>  vector&lt;recipe_ordinal&gt; result2 = <a href='056shape_shifting_recipe.cc.html#L128'>keep_max</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> result1<span class="Delimiter">,</span> <a href='056shape_shifting_recipe.cc.html#L150'>arity_fit</a><span class="Delimiter">);</span>
<span id="L115" class="LineNr"> 115 </span>  assert<span class="Delimiter">(</span>!result2<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L116" class="LineNr"> 116 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>result2<span class="Delimiter">)</span> == <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Identifier">return</span> result2<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L117" class="LineNr"> 117 </span><span class="CommentedCode">//?   cerr &lt;&lt; &quot;C picking shape-shifting variant:\n&quot;;</span>
<span id="L118" class="LineNr"> 118 </span>  vector&lt;recipe_ordinal&gt; result3 = <a href='056shape_shifting_recipe.cc.html#L128'>keep_max</a><span class="Delimiter">(</span>inst<span class="Delimiter">,</span> result2<span class="Delimiter">,</span> number_of_type_ingredients<span class="Delimiter">);</span>
<span id="L119" class="LineNr"> 119 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>result3<span class="Delimiter">)</span> &gt; <span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L120" class="LineNr"> 120 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;\nCouldn't decide the best shape-shifting variant for instruction '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; end<span class="Delimiter">();</span>
<span id="L121" class="LineNr"> 121 </span>    cerr &lt;&lt; <span class="Constant">&quot;This is a hole in Mu. Please copy the following candidates into an email to Kartik Agaram &lt;mu@akkartik.com&gt;\n&quot;</span><span class="Delimiter">;</span>
<span id="L122" class="LineNr"> 122 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>candidates<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L123" class="LineNr"> 123 </span>      cerr &lt;&lt; <span class="Constant">&quot;  &quot;</span> &lt;&lt; header_label<span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> candidates<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span> &lt;&lt; <span class="cSpecial">'\n'</span><span class="Delimiter">;</span>
<span id="L124" class="LineNr"> 124 </span>  <span class="Delimiter">}</span>
<span id="L125" class="LineNr"> 125 </span>  <span class="Identifier">return</span> result3<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L126" class="LineNr"> 126 </span><span class="Delimiter">}</span>
<span id="L127" class="LineNr"> 127 </span>
<span id="L128" class="LineNr"> 128 </span>vector&lt;recipe_ordinal&gt; <a href='056shape_shifting_recipe.cc.html#L128'>keep_max</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> vector&lt;recipe_ordinal&gt;&amp; in<span class="Delimiter">,</span>
<span id="L129" class="LineNr"> 129 </span>                                <span class="Normal">int</span> <span class="Delimiter">(</span>*scorer<span class="Delimiter">)(</span><span class="Normal">const</span> instruction&amp;<span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a><span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L130" class="LineNr"> 130 </span>  assert<span class="Delimiter">(</span>!in<span class="Delimiter">.</span>empty<span class="Delimiter">());</span>
<span id="L131" class="LineNr"> 131 </span>  vector&lt;recipe_ordinal&gt; out<span class="Delimiter">;</span>
<span id="L132" class="LineNr"> 132 </span>  out<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
<span id="L133" class="LineNr"> 133 </span>  <span class="Normal">int</span> best_score = <span class="Delimiter">(</span>*scorer<span class="Delimiter">)(</span>inst<span class="Delimiter">,</span> in<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">));</span>
<span id="L134" class="LineNr"> 134 </span><span class="CommentedCode">//?   cerr &lt;&lt; best_score &lt;&lt; &quot; &quot; &lt;&lt; header_label(get(Recipe, in.at(0))) &lt;&lt; '\n';</span>
<span id="L135" class="LineNr"> 135 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">1</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>in<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L136" class="LineNr"> 136 </span>    <span class="Normal">int</span> score = <span class="Delimiter">(</span>*scorer<span class="Delimiter">)(</span>inst<span class="Delimiter">,</span> in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L137" class="LineNr"> 137 </span><span class="CommentedCode">//?     cerr &lt;&lt; score &lt;&lt; &quot; &quot; &lt;&lt; header_label(get(Recipe, in.at(i))) &lt;&lt; '\n';</span>
<span id="L138" class="LineNr"> 138 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>score == best_score<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L139" class="LineNr"> 139 </span>      out<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L140" class="LineNr"> 140 </span>    <span class="Delimiter">}</span>
<span id="L141" class="LineNr"> 141 </span>    <span class="Normal">else</span> <span class="Normal">if</span> <span class="Delimiter">(</span>score &gt; best_score<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L142" class="LineNr"> 142 </span>      best_score = score<span class="Delimiter">;</span>
<span id="L143" class="LineNr"> 143 </span>      out<span class="Delimiter">.</span><a href='050scenario.cc.html#L60'>clear</a><span class="Delimiter">();</span>
<span id="L144" class="LineNr"> 144 </span>      out<span class="Delimiter">.</span>push_back<span class="Delimiter">(</span>in<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">));</span>
<span id="L145" class="LineNr"> 145 </span>    <span class="Delimiter">}</span>
<span id="L146" class="LineNr"> 146 </span>  <span class="Delimiter">}</span>
<span id="L147" class="LineNr"> 147 </span>  <span class="Identifier">return</span> out<span class="Delimiter">;</span>
<span id="L148" class="LineNr"> 148 </span><span class="Delimiter">}</span>
<span id="L149" class="LineNr"> 149 </span>
<span id="L150" class="LineNr"> 150 </span><span class="Normal">int</span> <a href='056shape_shifting_recipe.cc.html#L150'>arity_fit</a><span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> candidate<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L151" class="LineNr"> 151 </span>  <span class="Normal">const</span> recipe&amp; r = get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> candidate<span class="Delimiter">);</span>
<span id="L152" class="LineNr"> 152 </span>  <span class="Identifier">return</span> <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">)</span> - <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>products<span class="Delimiter">))</span>
<span id="L153" class="LineNr"> 153 </span>       + <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>r<span class="Delimiter">.</span>ingredients<span class="Delimiter">)</span> - <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>
<span id="L154" class="LineNr"> 154 </span><span class="Delimiter">}</span>
<span id="L155" class="LineNr"> 155 </span>
<span id="L156" class="LineNr"> 156 </span><span class="Normal">bool</span> <a href='056shape_shifting_recipe.cc.html#L156'>any_type_ingredient_in_header</a><span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L157" class="LineNr"> 157 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
<span id="L158" class="LineNr"> 158 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L159" class="LineNr"> 159 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
<span id="L160" class="LineNr"> 160 </span>      <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L161" class="LineNr"> 161 </span>  <span class="Delimiter">}</span>
<span id="L162" class="LineNr"> 162 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L163" class="LineNr"> 163 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>contains_type_ingredient_name<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">)))</span>
<span id="L164" class="LineNr"> 164 </span>      <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L165" class="LineNr"> 165 </span>  <span class="Delimiter">}</span>
<span id="L166" class="LineNr"> 166 </span>  <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L167" class="LineNr"> 167 </span><span class="Delimiter">}</span>
<span id="L168" class="LineNr"> 168 </span>
<span id="L169" class="LineNr"> 169 </span><span class="Normal">bool</span> concrete_type_names_strictly_match<span class="Delimiter">(</span>reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> to<span class="Delimiter">,</span> reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> from<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L170" class="LineNr"> 170 </span>  canonize_type<span class="Delimiter">(</span>to<span class="Delimiter">);</span>
<span id="L171" class="LineNr"> 171 </span>  canonize_type<span class="Delimiter">(</span>from<span class="Delimiter">);</span>
<span id="L172" class="LineNr"> 172 </span>  <span class="Identifier">return</span> concrete_type_names_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">.</span>type<span class="Delimiter">,</span> from<span class="Delimiter">.</span>type<span class="Delimiter">,</span> from<span class="Delimiter">);</span>
<span id="L173" class="LineNr"> 173 </span><span class="Delimiter">}</span>
<span id="L174" class="LineNr"> 174 </span>
<span id="L175" class="LineNr"> 175 </span><span class="Normal">bool</span> concrete_type_names_strictly_match<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* to<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* from<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; rhs_reagent<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L176" class="LineNr"> 176 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!to<span class="Delimiter">)</span> <span class="Identifier">return</span> !from<span class="Delimiter">;</span>
<span id="L177" class="LineNr"> 177 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!from<span class="Delimiter">)</span> <span class="Identifier">return</span> !to<span class="Delimiter">;</span>
<span id="L178" class="LineNr"> 178 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>atom &amp;&amp; is_type_ingredient_name<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>  <span class="Comment">// type ingredient matches anything</span>
<span id="L179" class="LineNr"> 179 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!to<span class="Delimiter">-&gt;</span>atom &amp;&amp; to<span class="Delimiter">-&gt;</span>right == <span class="Constant">NULL</span> &amp;&amp; to<span class="Delimiter">-&gt;</span>left != <span class="Constant">NULL</span> &amp;&amp; to<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; is_type_ingredient_name<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L180" class="LineNr"> 180 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>atom &amp;&amp; is_mu_address<span class="Delimiter">(</span>to<span class="Delimiter">))</span>
<span id="L181" class="LineNr"> 181 </span>    <span class="Identifier">return</span> from<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal-address&quot;</span> &amp;&amp; rhs_reagent<span class="Delimiter">.</span>name == <span class="Constant">&quot;null&quot;</span><span class="Delimiter">;</span>
<span id="L182" class="LineNr"> 182 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!from<span class="Delimiter">-&gt;</span>atom &amp;&amp; !to<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
<span id="L183" class="LineNr"> 183 </span>    <span class="Identifier">return</span> concrete_type_names_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> from<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> rhs_reagent<span class="Delimiter">)</span>
<span id="L184" class="LineNr"> 184 </span>        &amp;&amp; concrete_type_names_strictly_match<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> from<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> rhs_reagent<span class="Delimiter">);</span>
<span id="L185" class="LineNr"> 185 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>atom != to<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L186" class="LineNr"> 186 </span>  <span class="Comment">// both from and to are atoms</span>
<span id="L187" class="LineNr"> 187 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span>
<span id="L188" class="LineNr"> 188 </span>    <span class="Identifier">return</span> <span class="Special">Literal_type_names</span><span class="Delimiter">.</span>find<span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> != <span class="Special">Literal_type_names</span><span class="Delimiter">.</span><a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L189" class="LineNr"> 189 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>to<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span>
<span id="L190" class="LineNr"> 190 </span>    <span class="Identifier">return</span> <span class="Special">Literal_type_names</span><span class="Delimiter">.</span>find<span class="Delimiter">(</span>from<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> != <span class="Special">Literal_type_names</span><span class="Delimiter">.</span><a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L191" class="LineNr"> 191 </span>  <span class="Identifier">return</span> to<span class="Delimiter">-&gt;</span>name == from<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
<span id="L192" class="LineNr"> 192 </span><span class="Delimiter">}</span>
<span id="L193" class="LineNr"> 193 </span>
<span id="L194" class="LineNr"> 194 </span><span class="Normal">bool</span> contains_type_ingredient_name<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L195" class="LineNr"> 195 </span>  <span class="Identifier">return</span> contains_type_ingredient_name<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
<span id="L196" class="LineNr"> 196 </span><span class="Delimiter">}</span>
<span id="L197" class="LineNr"> 197 </span>
<span id="L198" class="LineNr"> 198 </span><span class="Normal">bool</span> contains_type_ingredient_name<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L199" class="LineNr"> 199 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L200" class="LineNr"> 200 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L201" class="LineNr"> 201 </span>  <span class="Identifier">return</span> contains_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span> || contains_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
<span id="L202" class="LineNr"> 202 </span><span class="Delimiter">}</span>
<span id="L203" class="LineNr"> 203 </span>
<span id="L204" class="LineNr"> 204 </span><span class="Normal">int</span> number_of_concrete_type_names<span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; <span class="Comment">/*</span><span class="Comment">unused</span><span class="Comment">*/</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L205" class="LineNr"> 205 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L206" class="LineNr"> 206 </span>  <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L207" class="LineNr"> 207 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L208" class="LineNr"> 208 </span>    result += number_of_concrete_type_names<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
<span id="L209" class="LineNr"> 209 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L210" class="LineNr"> 210 </span>    result += number_of_concrete_type_names<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
<span id="L211" class="LineNr"> 211 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L212" class="LineNr"> 212 </span><span class="Delimiter">}</span>
<span id="L213" class="LineNr"> 213 </span>
<span id="L214" class="LineNr"> 214 </span><span class="Normal">int</span> number_of_concrete_type_names<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L215" class="LineNr"> 215 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L216" class="LineNr"> 216 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
<span id="L217" class="LineNr"> 217 </span>    <span class="Identifier">return</span> is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> ? <span class="Constant">0</span> : <span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L218" class="LineNr"> 218 </span>  <span class="Identifier">return</span> number_of_concrete_type_names<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span>
<span id="L219" class="LineNr"> 219 </span>       + number_of_concrete_type_names<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
<span id="L220" class="LineNr"> 220 </span><span class="Delimiter">}</span>
<span id="L221" class="LineNr"> 221 </span>
<span id="L222" class="LineNr"> 222 </span><span class="Normal">int</span> number_of_type_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> instruction&amp; <span class="Comment">/*</span><span class="Comment">unused</span><span class="Comment">*/</span><span class="Delimiter">,</span> <a href='010vm.cc.html#L14'>recipe_ordinal</a> r<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L223" class="LineNr"> 223 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> r<span class="Delimiter">);</span>
<span id="L224" class="LineNr"> 224 </span>  <span class="Normal">int</span> result = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L225" class="LineNr"> 225 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L226" class="LineNr"> 226 </span>    result += number_of_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
<span id="L227" class="LineNr"> 227 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L228" class="LineNr"> 228 </span>    result += number_of_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">);</span>
<span id="L229" class="LineNr"> 229 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L230" class="LineNr"> 230 </span><span class="Delimiter">}</span>
<span id="L231" class="LineNr"> 231 </span>
<span id="L232" class="LineNr"> 232 </span><span class="Normal">int</span> number_of_type_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L233" class="LineNr"> 233 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L234" class="LineNr"> 234 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
<span id="L235" class="LineNr"> 235 </span>    <span class="Identifier">return</span> is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> ? <span class="Constant">1</span> : <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L236" class="LineNr"> 236 </span>  <span class="Identifier">return</span> number_of_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span>
<span id="L237" class="LineNr"> 237 </span>       + number_of_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
<span id="L238" class="LineNr"> 238 </span><span class="Delimiter">}</span>
<span id="L239" class="LineNr"> 239 </span>
<span id="L240" class="LineNr"> 240 </span><span class="Comment">// returns name of new variant</span>
<span id="L241" class="LineNr"> 241 </span>string <a href='056shape_shifting_recipe.cc.html#L241'>insert_new_variant</a><span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> exemplar<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L242" class="LineNr"> 242 </span>  string new_name = <a href='054static_dispatch.cc.html#L111'>next_unused_recipe_name</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name<span class="Delimiter">);</span>
<span id="L243" class="LineNr"> 243 </span>  assert<span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> new_name<span class="Delimiter">));</span>
<span id="L244" class="LineNr"> 244 </span>  <a href='010vm.cc.html#L14'>recipe_ordinal</a> new_recipe_ordinal = <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe_ordinal</span><span class="Delimiter">,</span> new_name<span class="Delimiter">,</span> <span class="Special">Next_recipe_ordinal</span>++<span class="Delimiter">);</span>
<span id="L245" class="LineNr"> 245 </span>  <span class="Comment">// make a copy</span>
<span id="L246" class="LineNr"> 246 </span>  assert<span class="Delimiter">(</span><a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> exemplar<span class="Delimiter">));</span>
<span id="L247" class="LineNr"> 247 </span>  assert<span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">));</span>
<span id="L248" class="LineNr"> 248 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">,</span> <span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> exemplar<span class="Delimiter">));</span>
<span id="L249" class="LineNr"> 249 </span>  recipe&amp; new_recipe = get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> new_recipe_ordinal<span class="Delimiter">);</span>
<span id="L250" class="LineNr"> 250 </span>  new_recipe<span class="Delimiter">.</span>name = new_name<span class="Delimiter">;</span>
<span id="L251" class="LineNr"> 251 </span>  new_recipe<span class="Delimiter">.</span>ordinal = new_recipe_ordinal<span class="Delimiter">;</span>
<span id="L252" class="LineNr"> 252 </span>  new_recipe<span class="Delimiter">.</span>is_autogenerated =<span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L253" class="LineNr"> 253 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;switching &quot;</span> &lt;&lt; inst<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot; to specialized &quot;</span> &lt;&lt; header_label<span class="Delimiter">(</span>new_recipe<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L254" class="LineNr"> 254 </span>
<span id="L255" class="LineNr"> 255 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;transforming new specialization: &quot;</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L256" class="LineNr"> 256 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: performing transforms until check_or_set_types_by_name&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L257" class="LineNr"> 257 </span>  <span class="Normal">int</span> transform_index = <span class="Constant">0</span><span class="Delimiter">;</span>
<span id="L258" class="LineNr"> 258 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span>transform_index = <span class="Constant">0</span><span class="Delimiter">;</span>  transform_index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><span class="Special">Transform</span><span class="Delimiter">);</span>  ++transform_index<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L259" class="LineNr"> 259 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span><span class="Special">Transform</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>transform_index<span class="Delimiter">)</span> == <a href='046check_type_by_name.cc.html#L35'>check_or_set_types_by_name</a><span class="Delimiter">)</span> <span class="Identifier">break</span><span class="Delimiter">;</span>
<span id="L260" class="LineNr"> 260 </span>    <span class="Delimiter">(</span>*<span class="Special">Transform</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>transform_index<span class="Delimiter">))(</span>new_recipe_ordinal<span class="Delimiter">);</span>
<span id="L261" class="LineNr"> 261 </span>  <span class="Delimiter">}</span>
<span id="L262" class="LineNr"> 262 </span>  new_recipe<span class="Delimiter">.</span>transformed_until = transform_index-<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L263" class="LineNr"> 263 </span>
<span id="L264" class="LineNr"> 264 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: performing type-ingredient-aware version of <a href='012transform.cc.html#L99'>transform</a> check_or_set_types_by_name&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L265" class="LineNr"> 265 </span>  <a href='056shape_shifting_recipe.cc.html#L290'>compute_type_names</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">);</span>
<span id="L266" class="LineNr"> 266 </span>  new_recipe<span class="Delimiter">.</span>transformed_until++<span class="Delimiter">;</span>
<span id="L267" class="LineNr"> 267 </span>
<span id="L268" class="LineNr"> 268 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: replacing type ingredients&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L269" class="LineNr"> 269 </span>  <span class="Delimiter">{</span>
<span id="L270" class="LineNr"> 270 </span>    map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt; mappings<span class="Delimiter">;</span>
<span id="L271" class="LineNr"> 271 </span>    <span class="Normal">bool</span> error =<span class="Constant"> false</span><span class="Delimiter">;</span>
<span id="L272" class="LineNr"> 272 </span>    <a href='056shape_shifting_recipe.cc.html#L328'>compute_type_ingredient_mappings</a><span class="Delimiter">(</span>get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> exemplar<span class="Delimiter">),</span> inst<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> &amp;error<span class="Delimiter">);</span>
<span id="L273" class="LineNr"> 273 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!error<span class="Delimiter">)</span> error = <span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>mappings<span class="Delimiter">)</span> != <a href='056shape_shifting_recipe.cc.html#L466'>type_ingredient_count_in_header</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">));</span>
<span id="L274" class="LineNr"> 274 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!error<span class="Delimiter">)</span> replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
<span id="L275" class="LineNr"> 275 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span>map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;::iterator p = mappings<span class="Delimiter">.</span>begin<span class="Delimiter">();</span>  p != mappings<span class="Delimiter">.</span><a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>  ++p<span class="Delimiter">)</span>
<span id="L276" class="LineNr"> 276 </span>      <span class="Normal">delete</span> p<span class="Delimiter">-&gt;</span>second<span class="Delimiter">;</span>
<span id="L277" class="LineNr"> 277 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>error<span class="Delimiter">)</span> <span class="Identifier">return</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">;</span>
<span id="L278" class="LineNr"> 278 </span>  <span class="Delimiter">}</span>
<span id="L279" class="LineNr"> 279 </span>  ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">,</span> get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> exemplar<span class="Delimiter">));</span>
<span id="L280" class="LineNr"> 280 </span>
<span id="L281" class="LineNr"> 281 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: recording the new variant before recursively calling resolve_ambiguous_calls&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L282" class="LineNr"> 282 </span>  get<span class="Delimiter">(</span><span class="Special">Recipe_variants</span><span class="Delimiter">,</span> inst<span class="Delimiter">.</span>name<span class="Delimiter">).</span>push_back<span class="Delimiter">(</span>new_recipe_ordinal<span class="Delimiter">);</span>
<span id="L283" class="LineNr"> 283 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9992</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;: performing remaining transforms (including resolve_ambiguous_calls)&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L284" class="LineNr"> 284 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">nada</span><span class="Comment">*/</span><span class="Delimiter">;</span>  transform_index &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><span class="Special">Transform</span><span class="Delimiter">);</span>  ++transform_index<span class="Delimiter">)</span>
<span id="L285" class="LineNr"> 285 </span>    <span class="Delimiter">(</span>*<span class="Special">Transform</span><span class="Delimiter">.</span>at<span class="Delimiter">(</span>transform_index<span class="Delimiter">))(</span>new_recipe_ordinal<span class="Delimiter">);</span>
<span id="L286" class="LineNr"> 286 </span>  new_recipe<span class="Delimiter">.</span>transformed_until = <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span><span class="Special">Transform</span><span class="Delimiter">)</span>-<span class="Constant">1</span><span class="Delimiter">;</span>
<span id="L287" class="LineNr"> 287 </span>  <span class="Identifier">return</span> new_recipe<span class="Delimiter">.</span>name<span class="Delimiter">;</span>
<span id="L288" class="LineNr"> 288 </span><span class="Delimiter">}</span>
<span id="L289" class="LineNr"> 289 </span>
<span id="L290" class="LineNr"> 290 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L290'>compute_type_names</a><span class="Delimiter">(</span>recipe&amp; variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L291" class="LineNr"> 291 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;-- compute type names: &quot;</span> &lt;&lt; variant<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L292" class="LineNr"> 292 </span>  map&lt;string<span class="Delimiter">,</span> type_tree*&gt; type_names<span class="Delimiter">;</span>
<span id="L293" class="LineNr"> 293 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L294" class="LineNr"> 294 </span>    <a href='056shape_shifting_recipe.cc.html#L307'>save_or_deduce_type_name</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
<span id="L295" class="LineNr"> 295 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L296" class="LineNr"> 296 </span>    <a href='056shape_shifting_recipe.cc.html#L307'>save_or_deduce_type_name</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot;&quot;</span><span class="Delimiter">);</span>
<span id="L297" class="LineNr"> 297 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L298" class="LineNr"> 298 </span>    instruction&amp; inst = variant<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L299" class="LineNr"> 299 </span>    <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;  <a href='010vm.cc.html#L33'>instruction</a>: &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L300" class="LineNr"> 300 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> in = <span class="Constant">0</span><span class="Delimiter">;</span>  in &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++in<span class="Delimiter">)</span>
<span id="L301" class="LineNr"> 301 </span>      <a href='056shape_shifting_recipe.cc.html#L307'>save_or_deduce_type_name</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>in<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot; in '&quot;</span> + to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> + <span class="Constant">&quot;'&quot;</span><span class="Delimiter">);</span>
<span id="L302" class="LineNr"> 302 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> out = <span class="Constant">0</span><span class="Delimiter">;</span>  out &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++out<span class="Delimiter">)</span>
<span id="L303" class="LineNr"> 303 </span>      <a href='056shape_shifting_recipe.cc.html#L307'>save_or_deduce_type_name</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>out<span class="Delimiter">),</span> type_names<span class="Delimiter">,</span> variant<span class="Delimiter">,</span> <span class="Constant">&quot; in '&quot;</span> + to_original_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> + <span class="Constant">&quot;'&quot;</span><span class="Delimiter">);</span>
<span id="L304" class="LineNr"> 304 </span>  <span class="Delimiter">}</span>
<span id="L305" class="LineNr"> 305 </span><span class="Delimiter">}</span>
<span id="L306" class="LineNr"> 306 </span>
<span id="L307" class="LineNr"> 307 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L307'>save_or_deduce_type_name</a><span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> type_tree*&gt;&amp; type<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; variant<span class="Delimiter">,</span> <span class="Normal">const</span> string&amp; context<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L308" class="LineNr"> 308 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9994</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;    checking &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;: &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L309" class="LineNr"> 309 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type &amp;&amp; <a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L310" class="LineNr"> 310 </span>    x<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*get<span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">));</span>
<span id="L311" class="LineNr"> 311 </span>    <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9994</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;    deducing type to &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L312" class="LineNr"> 312 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L313" class="LineNr"> 313 </span>  <span class="Delimiter">}</span>
<span id="L314" class="LineNr"> 314 </span>  <span class="Comment">// Type Check in Type-ingredient-aware check_or_set_types_by_name</span>
<span id="L315" class="LineNr"> 315 </span>  <span class="Comment">// This is different from check_or_set_types_by_name.</span>
<span id="L316" class="LineNr"> 316 </span>  <span class="Comment">// We've found it useful in the past for tracking down bugs in</span>
<span id="L317" class="LineNr"> 317 </span>  <span class="Comment">// specialization.</span>
<span id="L318" class="LineNr"> 318 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L319" class="LineNr"> 319 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>variant<span class="Delimiter">.</span>original_name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;unknown type for '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; context &lt;&lt; <span class="Constant">&quot; (check the name for typos)\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L320" class="LineNr"> 320 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L321" class="LineNr"> 321 </span>  <span class="Delimiter">}</span>
<span id="L322" class="LineNr"> 322 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">))</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L323" class="LineNr"> 323 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;offset&quot;</span> || x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;variant&quot;</span><span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>  <span class="Comment">// special-case for container-access instructions</span>
<span id="L324" class="LineNr"> 324 </span>  <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>type<span class="Delimiter">,</span> x<span class="Delimiter">.</span>name<span class="Delimiter">,</span> x<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
<span id="L325" class="LineNr"> 325 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;type of '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>name &lt;&lt; <span class="Constant">&quot;' is &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L326" class="LineNr"> 326 </span><span class="Delimiter">}</span>
<span id="L327" class="LineNr"> 327 </span>
<span id="L328" class="LineNr"> 328 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L328'>compute_type_ingredient_mappings</a><span class="Delimiter">(</span><span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; inst<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">,</span> <span class="Normal">bool</span>* error<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L329" class="LineNr"> 329 </span>  <span class="Normal">int</span> limit = min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>ingredients<span class="Delimiter">));</span>
<span id="L330" class="LineNr"> 330 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; limit<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L331" class="LineNr"> 331 </span>    <span class="Normal">const</span> reagent&amp; exemplar_reagent = exemplar<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L332" class="LineNr"> 332 </span>    reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> ingredient = inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L333" class="LineNr"> 333 </span>    canonize_type<span class="Delimiter">(</span>ingredient<span class="Delimiter">);</span>
<span id="L334" class="LineNr"> 334 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_mu_address<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">)</span> &amp;&amp; ingredient<span class="Delimiter">.</span>name == <span class="Constant">&quot;null&quot;</span><span class="Delimiter">)</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>  <span class="Comment">// assume it matches</span>
<span id="L335" class="LineNr"> 335 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">,</span> ingredient<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span id="L336" class="LineNr"> 336 </span>  <span class="Delimiter">}</span>
<span id="L337" class="LineNr"> 337 </span>  limit = min<span class="Delimiter">(</span><a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">),</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>products<span class="Delimiter">));</span>
<span id="L338" class="LineNr"> 338 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; limit<span class="Delimiter">;</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L339" class="LineNr"> 339 </span>    <span class="Normal">const</span> reagent&amp; exemplar_reagent = exemplar<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L340" class="LineNr"> 340 </span>    reagent<span class="Comment">/*</span><span class="Comment">copy</span><span class="Comment">*/</span> product = inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L341" class="LineNr"> 341 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_dummy<span class="Delimiter">(</span>product<span class="Delimiter">))</span> <span class="Identifier">continue</span><span class="Delimiter">;</span>
<span id="L342" class="LineNr"> 342 </span>    canonize_type<span class="Delimiter">(</span>product<span class="Delimiter">);</span>
<span id="L343" class="LineNr"> 343 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">,</span> product<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> inst<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span id="L344" class="LineNr"> 344 </span>  <span class="Delimiter">}</span>
<span id="L345" class="LineNr"> 345 </span><span class="Delimiter">}</span>
<span id="L346" class="LineNr"> 346 </span>
<span id="L347" class="LineNr"> 347 </span><span class="Normal">void</span> accumulate_type_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> reagent&amp; exemplar_reagent<span class="Delimiter">,</span> reagent&amp; refinement<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; call_instruction<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">,</span> <span class="Normal">bool</span>* error<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L348" class="LineNr"> 348 </span>  assert<span class="Delimiter">(</span>refinement<span class="Delimiter">.</span>type<span class="Delimiter">);</span>
<span id="L349" class="LineNr"> 349 </span>  accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_reagent<span class="Delimiter">.</span>type<span class="Delimiter">,</span> refinement<span class="Delimiter">.</span>type<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> exemplar_reagent<span class="Delimiter">,</span> call_instruction<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span id="L350" class="LineNr"> 350 </span><span class="Delimiter">}</span>
<span id="L351" class="LineNr"> 351 </span>
<span id="L352" class="LineNr"> 352 </span><span class="Normal">void</span> accumulate_type_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* exemplar_type<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree* refinement_type<span class="Delimiter">,</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">,</span> <span class="Normal">const</span> reagent&amp; exemplar_reagent<span class="Delimiter">,</span> <span class="Normal">const</span> instruction&amp; call_instruction<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller_recipe<span class="Delimiter">,</span> <span class="Normal">bool</span>* error<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L353" class="LineNr"> 353 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!exemplar_type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L354" class="LineNr"> 354 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!refinement_type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L355" class="LineNr"> 355 </span>    <span class="Comment">// probably a bug in mu</span>
<span id="L356" class="LineNr"> 356 </span>    <span class="Comment">// todo: make this smarter; only flag an error if exemplar_type contains some *new* type ingredient</span>
<span id="L357" class="LineNr"> 357 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;missing type ingredient for &quot;</span> &lt;&lt; exemplar_reagent<span class="Delimiter">.</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L358" class="LineNr"> 358 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;  (called from '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>call_instruction<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;')\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L359" class="LineNr"> 359 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L360" class="LineNr"> 360 </span>  <span class="Delimiter">}</span>
<span id="L361" class="LineNr"> 361 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!exemplar_type<span class="Delimiter">-&gt;</span>atom &amp;&amp; exemplar_type<span class="Delimiter">-&gt;</span>right == <span class="Constant">NULL</span> &amp;&amp; !refinement_type<span class="Delimiter">-&gt;</span>atom &amp;&amp; refinement_type<span class="Delimiter">-&gt;</span>right != <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L362" class="LineNr"> 362 </span>    exemplar_type = exemplar_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">;</span>
<span id="L363" class="LineNr"> 363 </span>    <a href='003trace.cc.html#L199'>assert_for_now</a><span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
<span id="L364" class="LineNr"> 364 </span>  <span class="Delimiter">}</span>
<span id="L365" class="LineNr"> 365 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L366" class="LineNr"> 366 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L367" class="LineNr"> 367 </span>      <span class="Normal">const</span> type_tree* curr_refinement_type = <span class="Constant">NULL</span><span class="Delimiter">;</span>  <span class="Comment">// temporary heap allocation; must always be deleted before it goes out of scope</span>
<span id="L368" class="LineNr"> 368 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span>
<span id="L369" class="LineNr"> 369 </span>        curr_refinement_type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*refinement_type<span class="Delimiter">);</span>
<span id="L370" class="LineNr"> 370 </span>      <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L371" class="LineNr"> 371 </span>        assert<span class="Delimiter">(</span>!refinement_type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">);</span>
<span id="L372" class="LineNr"> 372 </span>        curr_refinement_type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*refinement_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">);</span>
<span id="L373" class="LineNr"> 373 </span>      <span class="Delimiter">}</span>
<span id="L374" class="LineNr"> 374 </span>      <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L375" class="LineNr"> 375 </span>        <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;adding mapping from &quot;</span> &lt;&lt; exemplar_type<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot; to &quot;</span> &lt;&lt; <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>curr_refinement_type<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L376" class="LineNr"> 376 </span>        <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr_refinement_type<span class="Delimiter">));</span>
<span id="L377" class="LineNr"> 377 </span>      <span class="Delimiter">}</span>
<span id="L378" class="LineNr"> 378 </span>      <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L379" class="LineNr"> 379 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>!deeply_equal_type_names<span class="Delimiter">(</span>get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">),</span> curr_refinement_type<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L380" class="LineNr"> 380 </span>          <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>caller_recipe<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;no call found for '&quot;</span> &lt;&lt; to_original_string<span class="Delimiter">(</span>call_instruction<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L381" class="LineNr"> 381 </span>          *error =<span class="Constant"> true</span><span class="Delimiter">;</span>
<span id="L382" class="LineNr"> 382 </span>          <span class="Normal">delete</span> curr_refinement_type<span class="Delimiter">;</span>
<span id="L383" class="LineNr"> 383 </span>          <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L384" class="LineNr"> 384 </span>        <span class="Delimiter">}</span>
<span id="L385" class="LineNr"> 385 </span>        <span class="Normal">if</span> <span class="Delimiter">(</span>get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L386" class="LineNr"> 386 </span>          <span class="Normal">delete</span> get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
<span id="L387" class="LineNr"> 387 </span>          <a href='001help.cc.html#L221'>put</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> exemplar_type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Normal">new</span> type_tree<span class="Delimiter">(</span>*curr_refinement_type<span class="Delimiter">));</span>
<span id="L388" class="LineNr"> 388 </span>        <span class="Delimiter">}</span>
<span id="L389" class="LineNr"> 389 </span>      <span class="Delimiter">}</span>
<span id="L390" class="LineNr"> 390 </span>      <span class="Normal">delete</span> curr_refinement_type<span class="Delimiter">;</span>
<span id="L391" class="LineNr"> 391 </span>    <span class="Delimiter">}</span>
<span id="L392" class="LineNr"> 392 </span>  <span class="Delimiter">}</span>
<span id="L393" class="LineNr"> 393 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L394" class="LineNr"> 394 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> refinement_type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> exemplar_reagent<span class="Delimiter">,</span> call_instruction<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span id="L395" class="LineNr"> 395 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>exemplar_type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> refinement_type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> mappings<span class="Delimiter">,</span> exemplar<span class="Delimiter">,</span> exemplar_reagent<span class="Delimiter">,</span> call_instruction<span class="Delimiter">,</span> caller_recipe<span class="Delimiter">,</span> error<span class="Delimiter">);</span>
<span id="L396" class="LineNr"> 396 </span>  <span class="Delimiter">}</span>
<span id="L397" class="LineNr"> 397 </span><span class="Delimiter">}</span>
<span id="L398" class="LineNr"> 398 </span>
<span id="L399" class="LineNr"> 399 </span><span class="Normal">void</span> replace_type_ingredients<span class="Delimiter">(</span>recipe&amp; new_recipe<span class="Delimiter">,</span> <span class="Normal">const</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L400" class="LineNr"> 400 </span>  <span class="Comment">// update its header</span>
<span id="L401" class="LineNr"> 401 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>mappings<span class="Delimiter">.</span>empty<span class="Delimiter">())</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L402" class="LineNr"> 402 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;replacing in <a href='010vm.cc.html#L19'>recipe</a> header ingredients&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L403" class="LineNr"> 403 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L404" class="LineNr"> 404 </span>    replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
<span id="L405" class="LineNr"> 405 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;replacing in <a href='010vm.cc.html#L19'>recipe</a> header products&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L406" class="LineNr"> 406 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L407" class="LineNr"> 407 </span>    replace_type_ingredients<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
<span id="L408" class="LineNr"> 408 </span>  <span class="Comment">// update its body</span>
<span id="L409" class="LineNr"> 409 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L410" class="LineNr"> 410 </span>    instruction&amp; inst = new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L411" class="LineNr"> 411 </span>    <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;replacing in <a href='010vm.cc.html#L33'>instruction</a> '&quot;</span> &lt;&lt; to_string<span class="Delimiter">(</span>inst<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;'&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L412" class="LineNr"> 412 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
<span id="L413" class="LineNr"> 413 </span>      replace_type_ingredients<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
<span id="L414" class="LineNr"> 414 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
<span id="L415" class="LineNr"> 415 </span>      replace_type_ingredients<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> mappings<span class="Delimiter">,</span> new_recipe<span class="Delimiter">);</span>
<span id="L416" class="LineNr"> 416 </span>    <span class="Comment">// special-case for new: replace type ingredient in first ingredient *value*</span>
<span id="L417" class="LineNr"> 417 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>inst<span class="Delimiter">.</span>name == <span class="Constant">&quot;new&quot;</span> &amp;&amp; inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>type<span class="Delimiter">-&gt;</span>name != <span class="Constant">&quot;literal-string&quot;</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L418" class="LineNr"> 418 </span>      type_tree* type = <a href='056shape_shifting_recipe.cc.html#L483'>parse_type_tree</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name<span class="Delimiter">);</span>
<span id="L419" class="LineNr"> 419 </span>      replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
<span id="L420" class="LineNr"> 420 </span>      inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span><span class="Constant">0</span><span class="Delimiter">).</span>name = inspect<span class="Delimiter">(</span>type<span class="Delimiter">);</span>
<span id="L421" class="LineNr"> 421 </span>      <span class="Normal">delete</span> type<span class="Delimiter">;</span>
<span id="L422" class="LineNr"> 422 </span>    <span class="Delimiter">}</span>
<span id="L423" class="LineNr"> 423 </span>  <span class="Delimiter">}</span>
<span id="L424" class="LineNr"> 424 </span><span class="Delimiter">}</span>
<span id="L425" class="LineNr"> 425 </span>
<span id="L426" class="LineNr"> 426 </span><span class="Normal">void</span> replace_type_ingredients<span class="Delimiter">(</span>reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; caller<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L427" class="LineNr"> 427 </span>  string before = <a href='028call_return.cc.html#L163'>to_string</a><span class="Delimiter">(</span>x<span class="Delimiter">);</span>
<span id="L428" class="LineNr"> 428 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;replacing in ingredient &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L429" class="LineNr"> 429 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L430" class="LineNr"> 430 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <span class="Constant">&quot;specializing &quot;</span> &lt;&lt; caller<span class="Delimiter">.</span>original_name &lt;&lt; <span class="Constant">&quot;: missing type for '&quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="Constant">&quot;'\n&quot;</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L431" class="LineNr"> 431 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L432" class="LineNr"> 432 </span>  <span class="Delimiter">}</span>
<span id="L433" class="LineNr"> 433 </span>  replace_type_ingredients<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
<span id="L434" class="LineNr"> 434 </span><span class="Delimiter">}</span>
<span id="L435" class="LineNr"> 435 </span>
<span id="L436" class="LineNr"> 436 </span><span class="Normal">void</span> replace_type_ingredients<span class="Delimiter">(</span>type_tree* type<span class="Delimiter">,</span> <span class="Normal">const</span> map&lt;string<span class="Delimiter">,</span> <span class="Normal">const</span> type_tree*&gt;&amp; mappings<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L437" class="LineNr"> 437 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L438" class="LineNr"> 438 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L439" class="LineNr"> 439 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right == <span class="Constant">NULL</span> &amp;&amp; type<span class="Delimiter">-&gt;</span>left != <span class="Constant">NULL</span> &amp;&amp; type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>atom &amp;&amp; <a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)</span> &amp;&amp; !get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)-&gt;</span>atom &amp;&amp; get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">)-&gt;</span>right != <span class="Constant">NULL</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L440" class="LineNr"> 440 </span>      *type = *get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
<span id="L441" class="LineNr"> 441 </span>      <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L442" class="LineNr"> 442 </span>    <span class="Delimiter">}</span>
<span id="L443" class="LineNr"> 443 </span>    replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
<span id="L444" class="LineNr"> 444 </span>    replace_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> mappings<span class="Delimiter">);</span>
<span id="L445" class="LineNr"> 445 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L446" class="LineNr"> 446 </span>  <span class="Delimiter">}</span>
<span id="L447" class="LineNr"> 447 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span><a href='001help.cc.html#L226'>contains_key</a><span class="Delimiter">(</span><span class="Special">Type_ordinal</span><span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span>  <span class="Comment">// todo: ugly side effect</span>
<span id="L448" class="LineNr"> 448 </span>    type<span class="Delimiter">-&gt;</span>value = get<span class="Delimiter">(</span><span class="Special">Type_ordinal</span><span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
<span id="L449" class="LineNr"> 449 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span>
<span id="L450" class="LineNr"> 450 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L451" class="LineNr"> 451 </span>  <span class="Normal">const</span> type_tree* replacement = get<span class="Delimiter">(</span>mappings<span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
<span id="L452" class="LineNr"> 452 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; type<span class="Delimiter">-&gt;</span>name &lt;&lt; <span class="Constant">&quot; =&gt; &quot;</span> &lt;&lt; names_to_string<span class="Delimiter">(</span>replacement<span class="Delimiter">)</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L453" class="LineNr"> 453 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>replacement<span class="Delimiter">-&gt;</span>atom<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L454" class="LineNr"> 454 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!contains_key<span class="Delimiter">(</span><span class="Special">Type_ordinal</span><span class="Delimiter">,</span> replacement<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L455" class="LineNr"> 455 </span>      <span class="Comment">// error in program; should be reported elsewhere</span>
<span id="L456" class="LineNr"> 456 </span>      <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L457" class="LineNr"> 457 </span>    <span class="Delimiter">}</span>
<span id="L458" class="LineNr"> 458 </span>    type<span class="Delimiter">-&gt;</span>name = <span class="Delimiter">(</span>replacement<span class="Delimiter">-&gt;</span>name == <span class="Constant">&quot;literal&quot;</span><span class="Delimiter">)</span> ? <span class="Constant">&quot;number&quot;</span> : replacement<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
<span id="L459" class="LineNr"> 459 </span>    type<span class="Delimiter">-&gt;</span>value = get<span class="Delimiter">(</span><span class="Special">Type_ordinal</span><span class="Delimiter">,</span> type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
<span id="L460" class="LineNr"> 460 </span>  <span class="Delimiter">}</span>
<span id="L461" class="LineNr"> 461 </span>  <span class="Normal">else</span> <span class="Delimiter">{</span>
<span id="L462" class="LineNr"> 462 </span>    *type = *replacement<span class="Delimiter">;</span>
<span id="L463" class="LineNr"> 463 </span>  <span class="Delimiter">}</span>
<span id="L464" class="LineNr"> 464 </span><span class="Delimiter">}</span>
<span id="L465" class="LineNr"> 465 </span>
<span id="L466" class="LineNr"> 466 </span><span class="Normal">int</span> <a href='056shape_shifting_recipe.cc.html#L466'>type_ingredient_count_in_header</a><span class="Delimiter">(</span><a href='010vm.cc.html#L14'>recipe_ordinal</a> variant<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L467" class="LineNr"> 467 </span>  <span class="Normal">const</span> recipe&amp; caller = get<span class="Delimiter">(</span><span class="Special">Recipe</span><span class="Delimiter">,</span> variant<span class="Delimiter">);</span>
<span id="L468" class="LineNr"> 468 </span>  set&lt;string&gt; type_ingredients<span class="Delimiter">;</span>
<span id="L469" class="LineNr"> 469 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L470" class="LineNr"> 470 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">,</span> type_ingredients<span class="Delimiter">);</span>
<span id="L471" class="LineNr"> 471 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L472" class="LineNr"> 472 </span>    accumulate_type_ingredients<span class="Delimiter">(</span>caller<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">).</span>type<span class="Delimiter">,</span> type_ingredients<span class="Delimiter">);</span>
<span id="L473" class="LineNr"> 473 </span>  <span class="Identifier">return</span> <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>type_ingredients<span class="Delimiter">);</span>
<span id="L474" class="LineNr"> 474 </span><span class="Delimiter">}</span>
<span id="L475" class="LineNr"> 475 </span>
<span id="L476" class="LineNr"> 476 </span><span class="Normal">void</span> accumulate_type_ingredients<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* type<span class="Delimiter">,</span> set&lt;string&gt;&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L477" class="LineNr"> 477 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!type<span class="Delimiter">)</span> <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L478" class="LineNr"> 478 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>is_type_ingredient_name<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">))</span> out<span class="Delimiter">.</span>insert<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">);</span>
<span id="L479" class="LineNr"> 479 </span>  accumulate_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
<span id="L480" class="LineNr"> 480 </span>  accumulate_type_ingredients<span class="Delimiter">(</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
<span id="L481" class="LineNr"> 481 </span><span class="Delimiter">}</span>
<span id="L482" class="LineNr"> 482 </span>
<span id="L483" class="LineNr"> 483 </span>type_tree* <a href='056shape_shifting_recipe.cc.html#L483'>parse_type_tree</a><span class="Delimiter">(</span><span class="Normal">const</span> string&amp; s<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L484" class="LineNr"> 484 </span>  string_tree* s2 = parse_string_tree<span class="Delimiter">(</span>s<span class="Delimiter">);</span>
<span id="L485" class="LineNr"> 485 </span>  type_tree* result = <a href='019type_abbreviations.cc.html#L58'>new_type_tree</a><span class="Delimiter">(</span>s2<span class="Delimiter">);</span>
<span id="L486" class="LineNr"> 486 </span>  <span class="Normal">delete</span> s2<span class="Delimiter">;</span>
<span id="L487" class="LineNr"> 487 </span>  <span class="Identifier">return</span> result<span class="Delimiter">;</span>
<span id="L488" class="LineNr"> 488 </span><span class="Delimiter">}</span>
<span id="L489" class="LineNr"> 489 </span>
<span id="L490" class="LineNr"> 490 </span>string inspect<span class="Delimiter">(</span><span class="Normal">const</span> type_tree* x<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L491" class="LineNr"> 491 </span>  ostringstream out<span class="Delimiter">;</span>
<span id="L492" class="LineNr"> 492 </span>  <a href='056shape_shifting_recipe.cc.html#L496'>dump_inspect</a><span class="Delimiter">(</span>x<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
<span id="L493" class="LineNr"> 493 </span>  <span class="Identifier">return</span> out<span class="Delimiter">.</span>str<span class="Delimiter">();</span>
<span id="L494" class="LineNr"> 494 </span><span class="Delimiter">}</span>
<span id="L495" class="LineNr"> 495 </span>
<span id="L496" class="LineNr"> 496 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L496'>dump_inspect</a><span class="Delimiter">(</span><span class="Normal">const</span> type_tree* x<span class="Delimiter">,</span> ostream&amp; out<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L497" class="LineNr"> 497 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">-&gt;</span>left &amp;&amp; !x<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L498" class="LineNr"> 498 </span>    out &lt;&lt; x<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
<span id="L499" class="LineNr"> 499 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L500" class="LineNr"> 500 </span>  <span class="Delimiter">}</span>
<span id="L501" class="LineNr"> 501 </span>  out &lt;&lt; <span class="Constant">'('</span><span class="Delimiter">;</span>
<span id="L502" class="LineNr"> 502 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">const</span> type_tree* curr = x<span class="Delimiter">;</span>  curr<span class="Delimiter">;</span>  curr = curr<span class="Delimiter">-&gt;</span>right<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L503" class="LineNr"> 503 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr != x<span class="Delimiter">)</span> out &lt;&lt; <span class="Constant">' '</span><span class="Delimiter">;</span>
<span id="L504" class="LineNr"> 504 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">)</span>
<span id="L505" class="LineNr"> 505 </span>      <a href='056shape_shifting_recipe.cc.html#L496'>dump_inspect</a><span class="Delimiter">(</span>curr<span class="Delimiter">-&gt;</span>left<span class="Delimiter">,</span> out<span class="Delimiter">);</span>
<span id="L506" class="LineNr"> 506 </span>    <span class="Normal">else</span>
<span id="L507" class="LineNr"> 507 </span>      out &lt;&lt; curr<span class="Delimiter">-&gt;</span>name<span class="Delimiter">;</span>
<span id="L508" class="LineNr"> 508 </span>  <span class="Delimiter">}</span>
<span id="L509" class="LineNr"> 509 </span>  out &lt;&lt; <span class="Constant">')'</span><span class="Delimiter">;</span>
<span id="L510" class="LineNr"> 510 </span><span class="Delimiter">}</span>
<span id="L511" class="LineNr"> 511 </span>
<span id="L512" class="LineNr"> 512 </span><span class="Normal">void</span> ensure_all_concrete_types<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">const</span><span class="Comment">*/</span> recipe&amp; new_recipe<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L513" class="LineNr"> 513 </span>  <a href='003trace.cc.html#L189'>trace</a><span class="Delimiter">(</span><span class="Constant">9993</span><span class="Delimiter">,</span> <span class="Constant">&quot;transform&quot;</span><span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;-- ensure all concrete types in <a href='010vm.cc.html#L19'>recipe</a> &quot;</span> &lt;&lt; new_recipe<span class="Delimiter">.</span>name &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L514" class="LineNr"> 514 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L515" class="LineNr"> 515 </span>    ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
<span id="L516" class="LineNr"> 516 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span>
<span id="L517" class="LineNr"> 517 </span>    ensure_all_concrete_types<span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
<span id="L518" class="LineNr"> 518 </span>  <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> i = <span class="Constant">0</span><span class="Delimiter">;</span>  i &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">);</span>  ++i<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L519" class="LineNr"> 519 </span>    instruction&amp; inst = new_recipe<span class="Delimiter">.</span>steps<span class="Delimiter">.</span>at<span class="Delimiter">(</span>i<span class="Delimiter">);</span>
<span id="L520" class="LineNr"> 520 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
<span id="L521" class="LineNr"> 521 </span>      ensure_all_concrete_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>ingredients<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
<span id="L522" class="LineNr"> 522 </span>    <span class="Normal">for</span> <span class="Delimiter">(</span><span class="Normal">int</span> j = <span class="Constant">0</span><span class="Delimiter">;</span>  j &lt; <a href='001help.cc.html#L141'>SIZE</a><span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">);</span>  ++j<span class="Delimiter">)</span>
<span id="L523" class="LineNr"> 523 </span>      ensure_all_concrete_types<span class="Delimiter">(</span>inst<span class="Delimiter">.</span>products<span class="Delimiter">.</span>at<span class="Delimiter">(</span>j<span class="Delimiter">),</span> exemplar<span class="Delimiter">);</span>
<span id="L524" class="LineNr"> 524 </span>  <span class="Delimiter">}</span>
<span id="L525" class="LineNr"> 525 </span><span class="Delimiter">}</span>
<span id="L526" class="LineNr"> 526 </span>
<span id="L527" class="LineNr"> 527 </span><span class="Normal">void</span> ensure_all_concrete_types<span class="Delimiter">(</span><span class="Comment">/*</span><span class="Comment">const</span><span class="Comment">*/</span> reagent&amp; x<span class="Delimiter">,</span> <span class="Normal">const</span> recipe&amp; exemplar<span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L528" class="LineNr"> 528 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type || contains_type_ingredient_name<span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">))</span> <span class="Delimiter">{</span>
<span id="L529" class="LineNr"> 529 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;failed to map a type to &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L530" class="LineNr"> 530 </span>    <span class="Normal">if</span> <span class="Delimiter">(</span>!x<span class="Delimiter">.</span>type<span class="Delimiter">)</span> x<span class="Delimiter">.</span>type = <span class="Normal">new</span> type_tree<span class="Delimiter">(</span><span class="Constant">&quot;added_by_ensure_all_concrete_types&quot;</span><span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>  <span class="Comment">// just to prevent crashes later</span>
<span id="L531" class="LineNr"> 531 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L532" class="LineNr"> 532 </span>  <span class="Delimiter">}</span>
<span id="L533" class="LineNr"> 533 </span>  <span class="Normal">if</span> <span class="Delimiter">(</span>x<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>value == -<span class="Constant">1</span><span class="Delimiter">)</span> <span class="Delimiter">{</span>
<span id="L534" class="LineNr"> 534 </span>    <a href='003trace.cc.html#L196'>raise</a> &lt;&lt; <a href='013update_operation.cc.html#L25'>maybe</a><span class="Delimiter">(</span>exemplar<span class="Delimiter">.</span>name<span class="Delimiter">)</span> &lt;&lt; <span class="Constant">&quot;failed to map a type to the unknown &quot;</span> &lt;&lt; x<span class="Delimiter">.</span>original_string &lt;&lt; <span class="cSpecial">'\n'</span> &lt;&lt; <a href='003trace.cc.html#L225'>end</a><span class="Delimiter">();</span>
<span id="L535" class="LineNr"> 535 </span>    <span class="Identifier">return</span><span class="Delimiter">;</span>
<span id="L536" class="LineNr"> 536 </span>  <span class="Delimiter">}</span>
<span id="L537" class="LineNr"> 537 </span><span class="Delimiter">}</span>
<span id="L538" class="LineNr"> 538 </span>
<span id="L539" class="LineNr"> 539 </span><span class="Delimiter">:(scenario shape_shifting_recipe_2)</span>
<span id="L540" class="LineNr"> 540 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L541" class="LineNr"> 541 </span>  <span class="Constant">10</span>:point<span class="Special"> &lt;- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span>
<span id="L542" class="LineNr"> 542 </span>  <span class="Constant">12</span>:point<span class="Special"> &lt;- </span>foo <span class="Constant">10</span>:point
<span id="L543" class="LineNr"> 543 </span>]
<span id="L544" class="LineNr"> 544 </span><span class="Comment"># non-matching shape-shifting variant</span>
<span id="L545" class="LineNr"> 545 </span><span class="muRecipe">def</span> foo a:_t<span class="Delimiter">,</span> b:_t<span class="muRecipe"> -&gt; </span>result:num [
<span id="L546" class="LineNr"> 546 </span>  local-scope
<span id="L547" class="LineNr"> 547 </span>  load-ingredients
<span id="L548" class="LineNr"> 548 </span>  result<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L549" class="LineNr"> 549 </span>]
<span id="L550" class="LineNr"> 550 </span><span class="Comment"># matching shape-shifting variant</span>
<span id="L551" class="LineNr"> 551 </span><span class="muRecipe">def</span> foo a:_t<span class="muRecipe"> -&gt; </span>result:_t [
<span id="L552" class="LineNr"> 552 </span>  local-scope
<span id="L553" class="LineNr"> 553 </span>  load-ingredients
<span id="L554" class="LineNr"> 554 </span>  result<span class="Special"> &lt;- </span>copy a
<span id="L555" class="LineNr"> 555 </span>]
<span id="L556" class="LineNr"> 556 </span><span class="traceContains">+mem: storing 14 in location 12</span>
<span id="L557" class="LineNr"> 557 </span><span class="traceContains">+mem: storing 15 in location 13</span>
<span id="L558" class="LineNr"> 558 </span>
<span id="L559" class="LineNr"> 559 </span><span class="Delimiter">:(scenario shape_shifting_recipe_nonroot)</span>
<span id="L560" class="LineNr"> 560 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L561" class="LineNr"> 561 </span>  <span class="Constant">10</span>:foo:point<span class="Special"> &lt;- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span id="L562" class="LineNr"> 562 </span>  <span class="Constant">20</span>:point<span class="Special"> &lt;- </span>bar <span class="Constant">10</span>:foo:point
<span id="L563" class="LineNr"> 563 </span>]
<span id="L564" class="LineNr"> 564 </span><span class="Comment"># shape-shifting recipe with type ingredient following some other type</span>
<span id="L565" class="LineNr"> 565 </span><span class="muRecipe">def</span> bar a:foo:_t<span class="muRecipe"> -&gt; </span>result:_t [
<span id="L566" class="LineNr"> 566 </span>  local-scope
<span id="L567" class="LineNr"> 567 </span>  load-ingredients
<span id="L568" class="LineNr"> 568 </span>  result<span class="Special"> &lt;- </span>get a<span class="Delimiter">,</span> <span class="Constant">x:offset</span>
<span id="L569" class="LineNr"> 569 </span>]
<span id="L570" class="LineNr"> 570 </span><span class="muData">container</span> foo:_t [
<span id="L571" class="LineNr"> 571 </span>  <span class="Normal">x</span>:_t
<span id="L572" class="LineNr"> 572 </span>  <span class="Normal">y</span>:num
<span id="L573" class="LineNr"> 573 </span>]
<span id="L574" class="LineNr"> 574 </span><span class="traceContains">+mem: storing 14 in location 20</span>
<span id="L575" class="LineNr"> 575 </span><span class="traceContains">+mem: storing 15 in location 21</span>
<span id="L576" class="LineNr"> 576 </span>
<span id="L577" class="LineNr"> 577 </span><span class="Delimiter">:(scenario shape_shifting_recipe_nested)</span>
<span id="L578" class="LineNr"> 578 </span><span class="muData">container</span> c:_a:_b [
<span id="L579" class="LineNr"> 579 </span>  <span class="Normal">a</span>:_a
<span id="L580" class="LineNr"> 580 </span>  <span class="Normal">b</span>:_b
<span id="L581" class="LineNr"> 581 </span>]
<span id="L582" class="LineNr"> 582 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L583" class="LineNr"> 583 </span>  <span class="Normal">s</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [abc]
<span id="L584" class="LineNr"> 584 </span>  <span class="Delimiter">{</span>x: <span class="Delimiter">(</span>c <span class="Delimiter">(</span><a href='043space.cc.html#L101'>address</a> array character<span class="Delimiter">)</span> number<span class="Delimiter">)}</span><span class="Special"> &lt;- </span>merge s<span class="Delimiter">,</span> <span class="Constant">34</span>
<span id="L585" class="LineNr"> 585 </span>  foo x
<span id="L586" class="LineNr"> 586 </span>]
<span id="L587" class="LineNr"> 587 </span><span class="muRecipe">def</span> foo x:c:_bar:_baz [
<span id="L588" class="LineNr"> 588 </span>  local-scope
<span id="L589" class="LineNr"> 589 </span>  load-ingredients
<span id="L590" class="LineNr"> 590 </span>]
<span id="L591" class="LineNr"> 591 </span><span class="Comment"># no errors</span>
<span id="L592" class="LineNr"> 592 </span>
<span id="L593" class="LineNr"> 593 </span><span class="Delimiter">:(scenario shape_shifting_recipe_type_deduction_ignores_offsets)</span>
<span id="L594" class="LineNr"> 594 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L595" class="LineNr"> 595 </span>  <span class="Constant">10</span>:foo:point<span class="Special"> &lt;- </span>merge <span class="Constant">14</span><span class="Delimiter">,</span> <span class="Constant">15</span><span class="Delimiter">,</span> <span class="Constant">16</span>
<span id="L596" class="LineNr"> 596 </span>  <span class="Constant">20</span>:point<span class="Special"> &lt;- </span>bar <span class="Constant">10</span>:foo:point
<span id="L597" class="LineNr"> 597 </span>]
<span id="L598" class="LineNr"> 598 </span><span class="muRecipe">def</span> bar a:foo:_t<span class="muRecipe"> -&gt; </span>result:_t [
<span id="L599" class="LineNr"> 599 </span>  local-scope
<span id="L600" class="LineNr"> 600 </span>  load-ingredients
<span id="L601" class="LineNr"> 601 </span>  <span class="Normal">x</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">1</span>
<span id="L602" class="LineNr"> 602 </span>  result<span class="Special"> &lt;- </span>get a<span class="Delimiter">,</span> <span class="Constant">x:offset</span>  <span class="Comment"># shouldn't collide with other variable</span>
<span id="L603" class="LineNr"> 603 </span>]
<span id="L604" class="LineNr"> 604 </span><span class="muData">container</span> foo:_t [
<span id="L605" class="LineNr"> 605 </span>  <span class="Normal">x</span>:_t
<span id="L606" class="LineNr"> 606 </span>  <span class="Normal">y</span>:num
<span id="L607" class="LineNr"> 607 </span>]
<span id="L608" class="LineNr"> 608 </span><span class="traceContains">+mem: storing 14 in location 20</span>
<span id="L609" class="LineNr"> 609 </span><span class="traceContains">+mem: storing 15 in location 21</span>
<span id="L610" class="LineNr"> 610 </span>
<span id="L611" class="LineNr"> 611 </span><span class="Delimiter">:(scenario shape_shifting_recipe_empty)</span>
<span id="L612" class="LineNr"> 612 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L613" class="LineNr"> 613 </span>  foo <span class="Constant">1</span>
<span id="L614" class="LineNr"> 614 </span>]
<span id="L615" class="LineNr"> 615 </span><span class="Comment"># shape-shifting recipe with no body</span>
<span id="L616" class="LineNr"> 616 </span><span class="muRecipe">def</span> foo a:_t [
<span id="L617" class="LineNr"> 617 </span>]
<span id="L618" class="LineNr"> 618 </span><span class="Comment"># shouldn't crash</span>
<span id="L619" class="LineNr"> 619 </span>
<span id="L620" class="LineNr"> 620 </span><span class="Delimiter">:(scenario shape_shifting_recipe_handles_shape_shifting_new_ingredient)</span>
<span id="L621" class="LineNr"> 621 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L622" class="LineNr"> 622 </span>  <span class="Constant">1</span>:&amp;:foo:point<span class="Special"> &lt;- </span>bar <span class="Constant">3</span>
<span id="L623" class="LineNr"> 623 </span>  <span class="Constant">11</span>:foo:point<span class="Special"> &lt;- </span>copy *<span class="Constant">1</span>:&amp;:foo:point
<span id="L624" class="LineNr"> 624 </span>]
<span id="L625" class="LineNr"> 625 </span><span class="muData">container</span> foo:_t [
<span id="L626" class="LineNr"> 626 </span>  <span class="Normal">x</span>:_t
<span id="L627" class="LineNr"> 627 </span>  <span class="Normal">y</span>:num
<span id="L628" class="LineNr"> 628 </span>]
<span id="L629" class="LineNr"> 629 </span><span class="muRecipe">def</span> bar x:num<span class="muRecipe"> -&gt; </span>result:&amp;:foo:_t [
<span id="L630" class="LineNr"> 630 </span>  local-scope
<span id="L631" class="LineNr"> 631 </span>  load-ingredients
<span id="L632" class="LineNr"> 632 </span>  <span class="Comment"># new refers to _t in its ingredient *value*</span>
<span id="L633" class="LineNr"> 633 </span>  result<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Delimiter">{(</span>foo _t<span class="Delimiter">)</span> : type<span class="Delimiter">}</span>
<span id="L634" class="LineNr"> 634 </span>]
<span id="L635" class="LineNr"> 635 </span><span class="traceContains">+mem: storing 0 in location 11</span>
<span id="L636" class="LineNr"> 636 </span><span class="traceContains">+mem: storing 0 in location 12</span>
<span id="L637" class="LineNr"> 637 </span><span class="traceContains">+mem: storing 0 in location 13</span>
<span id="L638" class="LineNr"> 638 </span>
<span id="L639" class="LineNr"> 639 </span><span class="Delimiter">:(scenario shape_shifting_recipe_handles_shape_shifting_new_ingredient_2)</span>
<span id="L640" class="LineNr"> 640 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L641" class="LineNr"> 641 </span>  <span class="Constant">1</span>:&amp;:foo:point<span class="Special"> &lt;- </span>bar <span class="Constant">3</span>
<span id="L642" class="LineNr"> 642 </span>  <span class="Constant">11</span>:foo:point<span class="Special"> &lt;- </span>copy *<span class="Constant">1</span>:&amp;:foo:point
<span id="L643" class="LineNr"> 643 </span>]
<span id="L644" class="LineNr"> 644 </span><span class="muRecipe">def</span> bar x:num<span class="muRecipe"> -&gt; </span>result:&amp;:foo:_t [
<span id="L645" class="LineNr"> 645 </span>  local-scope
<span id="L646" class="LineNr"> 646 </span>  load-ingredients
<span id="L647" class="LineNr"> 647 </span>  <span class="Comment"># new refers to _t in its ingredient *value*</span>
<span id="L648" class="LineNr"> 648 </span>  result<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Delimiter">{(</span>foo _t<span class="Delimiter">)</span> : type<span class="Delimiter">}</span>
<span id="L649" class="LineNr"> 649 </span>]
<span id="L650" class="LineNr"> 650 </span><span class="Comment"># container defined after use</span>
<span id="L651" class="LineNr"> 651 </span><span class="muData">container</span> foo:_t [
<span id="L652" class="LineNr"> 652 </span>  <span class="Normal">x</span>:_t
<span id="L653" class="LineNr"> 653 </span>  <span class="Normal">y</span>:num
<span id="L654" class="LineNr"> 654 </span>]
<span id="L655" class="LineNr"> 655 </span><span class="traceContains">+mem: storing 0 in location 11</span>
<span id="L656" class="LineNr"> 656 </span><span class="traceContains">+mem: storing 0 in location 12</span>
<span id="L657" class="LineNr"> 657 </span><span class="traceContains">+mem: storing 0 in location 13</span>
<span id="L658" class="LineNr"> 658 </span>
<span id="L659" class="LineNr"> 659 </span><span class="Delimiter">:(scenario shape_shifting_recipe_called_with_dummy)</span>
<span id="L660" class="LineNr"> 660 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L661" class="LineNr"> 661 </span>  _<span class="Special"> &lt;- </span>bar <span class="Constant">34</span>
<span id="L662" class="LineNr"> 662 </span>]
<span id="L663" class="LineNr"> 663 </span><span class="muRecipe">def</span> bar x:_t<span class="muRecipe"> -&gt; </span>result:&amp;:_t [
<span id="L664" class="LineNr"> 664 </span>  local-scope
<span id="L665" class="LineNr"> 665 </span>  load-ingredients
<span id="L666" class="LineNr"> 666 </span>  result<span class="Special"> &lt;- </span>copy<span class="Constant"> null</span>
<span id="L667" class="LineNr"> 667 </span>]
<span id="L668" class="LineNr"> 668 </span>$error: <span class="Constant">0</span>
<span id="L669" class="LineNr"> 669 </span>
<span id="L670" class="LineNr"> 670 </span><span class="Delimiter">:(code)</span>
<span id="L671" class="LineNr"> 671 </span><span class="Comment">// this one needs a little more fine-grained control</span>
<span id="L672" class="LineNr"> 672 </span><span class="Normal">void</span> <a href='056shape_shifting_recipe.cc.html#L672'>test_shape_shifting_new_ingredient_does_not_pollute_global_namespace</a><span class="Delimiter">()</span> <span class="Delimiter">{</span>
<span id="L673" class="LineNr"> 673 </span>  <span class="Comment">// if you specialize a shape-shifting recipe that allocates a type-ingredient..</span>
<span id="L674" class="LineNr"> 674 </span>  <a href='012transform.cc.html#L99'>transform</a><span class="Delimiter">(</span><span class="Constant">&quot;def barz x:_elem [\n&quot;</span>
<span id="L675" class="LineNr"> 675 </span>            <span class="Constant">&quot;  local-scope\n&quot;</span>
<span id="L676" class="LineNr"> 676 </span>            <span class="Constant">&quot;  load-ingredients\n&quot;</span>
<span id="L677" class="LineNr"> 677 </span>            <span class="Constant">&quot;  y:&amp;:num &lt;- new _elem:type\n&quot;</span>
<span id="L678" class="LineNr"> 678 </span>            <span class="Constant">&quot;]\n&quot;</span>
<span id="L679" class="LineNr"> 679 </span>            <span class="Constant">&quot;def fooz [\n&quot;</span>
<span id="L680" class="LineNr"> 680 </span>            <span class="Constant">&quot;  local-scope\n&quot;</span>
<span id="L681" class="LineNr"> 681 </span>            <span class="Constant">&quot;  barz 34\n&quot;</span>
<span id="L682" class="LineNr"> 682 </span>            <span class="Constant">&quot;]\n&quot;</span><span class="Delimiter">);</span>
<span id="L683" class="LineNr"> 683 </span>  <span class="Comment">// ..and if you then try to load a new shape-shifting container with that</span>
<span id="L684" class="LineNr"> 684 </span>  <span class="Comment">// type-ingredient</span>
<span id="L685" class="LineNr"> 685 </span>  run<span class="Delimiter">(</span><span class="Constant">&quot;container foo:_elem [\n&quot;</span>
<span id="L686" class="LineNr"> 686 </span>      <span class="Constant">&quot;  x:_elem\n&quot;</span>
<span id="L687" class="LineNr"> 687 </span>      <span class="Constant">&quot;  y:num\n&quot;</span>
<span id="L688" class="LineNr"> 688 </span>      <span class="Constant">&quot;]\n&quot;</span><span class="Delimiter">);</span>
<span id="L689" class="LineNr"> 689 </span>  <span class="Comment">// then it should work as usual</span>
<span id="L690" class="LineNr"> 690 </span>  reagent callsite<span class="Delimiter">(</span><span class="Constant">&quot;x:foo:point&quot;</span><span class="Delimiter">);</span>
<span id="L691" class="LineNr"> 691 </span>  reagent element = <a href='030container.cc.html#L212'>element_type</a><span class="Delimiter">(</span>callsite<span class="Delimiter">.</span>type<span class="Delimiter">,</span> <span class="Constant">0</span><span class="Delimiter">);</span>
<span id="L692" class="LineNr"> 692 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>element<span class="Delimiter">.</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;x&quot;</span><span class="Delimiter">);</span>
<span id="L693" class="LineNr"> 693 </span>  <a href='002test.cc.html#L31'>CHECK_EQ</a><span class="Delimiter">(</span>element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>name<span class="Delimiter">,</span> <span class="Constant">&quot;point&quot;</span><span class="Delimiter">);</span>
<span id="L694" class="LineNr"> 694 </span>  <a href='002test.cc.html#L24'>CHECK</a><span class="Delimiter">(</span>!element<span class="Delimiter">.</span>type<span class="Delimiter">-&gt;</span>right<span class="Delimiter">);</span>
<span id="L695" class="LineNr"> 695 </span><span class="Delimiter">}</span>
<span id="L696" class="LineNr"> 696 </span>
<span id="L697" class="LineNr"> 697 </span><span class="Comment">//: specializing a type ingredient with a compound type</span>
<span id="L698" class="LineNr"> 698 </span><span class="Delimiter">:(scenario shape_shifting_recipe_supports_compound_types)</span>
<span id="L699" class="LineNr"> 699 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L700" class="LineNr"> 700 </span>  <span class="Constant">1</span>:&amp;:point<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">point:type</span>
<span id="L701" class="LineNr"> 701 </span>  *<span class="Constant">1</span>:&amp;:point<span class="Special"> &lt;- </span><a href='001help.cc.html#L221'>put</a> *<span class="Constant">1</span>:&amp;:point<span class="Delimiter">,</span> <span class="Constant">y:offset</span><span class="Delimiter">,</span> <span class="Constant">34</span>
<span id="L702" class="LineNr"> 702 </span>  <span class="Constant">3</span>:&amp;:point<span class="Special"> &lt;- </span>bar <span class="Constant">1</span>:&amp;:point  <span class="Comment"># specialize _t to address:point</span>
<span id="L703" class="LineNr"> 703 </span>  <span class="Constant">5</span>:point<span class="Special"> &lt;- </span>copy *<span class="Constant">3</span>:&amp;:point
<span id="L704" class="LineNr"> 704 </span>]
<span id="L705" class="LineNr"> 705 </span><span class="muRecipe">def</span> bar a:_t<span class="muRecipe"> -&gt; </span>result:_t [
<span id="L706" class="LineNr"> 706 </span>  local-scope
<span id="L707" class="LineNr"> 707 </span>  load-ingredients
<span id="L708" class="LineNr"> 708 </span>  result<span class="Special"> &lt;- </span>copy a
<span id="L709" class="LineNr"> 709 </span>]
<span id="L710" class="LineNr"> 710 </span><span class="traceContains">+mem: storing 34 in location 6</span>
<span id="L711" class="LineNr"> 711 </span>
<span id="L712" class="LineNr"> 712 </span><span class="Comment">//: specializing a type ingredient with a compound type -- while *inside* another compound type</span>
<span id="L713" class="LineNr"> 713 </span><span class="Delimiter">:(scenario shape_shifting_recipe_supports_compound_types_2)</span>
<span id="L714" class="LineNr"> 714 </span><span class="muData">container</span> foo:_t [
<span id="L715" class="LineNr"> 715 </span>  <span class="Normal">value</span>:_t
<span id="L716" class="LineNr"> 716 </span>]
<span id="L717" class="LineNr"> 717 </span><span class="muRecipe">def</span> bar x:&amp;:foo:_t<span class="muRecipe"> -&gt; </span>result:_t [
<span id="L718" class="LineNr"> 718 </span>  local-scope
<span id="L719" class="LineNr"> 719 </span>  load-ingredients
<span id="L720" class="LineNr"> 720 </span>  result<span class="Special"> &lt;- </span>get *x<span class="Delimiter">,</span> <span class="Constant">value:offset</span>
<span id="L721" class="LineNr"> 721 </span>]
<span id="L722" class="LineNr"> 722 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L723" class="LineNr"> 723 </span>  <span class="Constant">1</span>:&amp;:foo:&amp;:point<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Delimiter">{(</span>foo <a href='043space.cc.html#L101'>address</a> point<span class="Delimiter">)</span>: type<span class="Delimiter">}</span>
<span id="L724" class="LineNr"> 724 </span>  <span class="Constant">2</span>:&amp;:point<span class="Special"> &lt;- </span>bar <span class="Constant">1</span>:&amp;:foo:&amp;:point
<span id="L725" class="LineNr"> 725 </span>]
<span id="L726" class="LineNr"> 726 </span><span class="Comment"># no errors; call to 'bar' successfully specialized</span>
<span id="L727" class="LineNr"> 727 </span>
<span id="L728" class="LineNr"> 728 </span><span class="Delimiter">:(scenario shape_shifting_recipe_error)</span>
<span id="L729" class="LineNr"> 729 </span><span class="Special">% Hide_errors = true;</span>
<span id="L730" class="LineNr"> 730 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L731" class="LineNr"> 731 </span>  <span class="Normal">a</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">3</span>
<span id="L732" class="LineNr"> 732 </span>  <span class="Normal">b</span>:&amp;:num<span class="Special"> &lt;- </span>foo a
<span id="L733" class="LineNr"> 733 </span>]
<span id="L734" class="LineNr"> 734 </span><span class="muRecipe">def</span> foo a:_t<span class="muRecipe"> -&gt; </span>b:_t [
<span id="L735" class="LineNr"> 735 </span>  load-ingredients
<span id="L736" class="LineNr"> 736 </span>  b<span class="Special"> &lt;- </span>copy a
<span id="L737" class="LineNr"> 737 </span>]
<span id="L738" class="LineNr"> 738 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: no call found for 'b:&amp;:num &lt;- foo a'</span>
<span id="L739" class="LineNr"> 739 </span>
<span id="L740" class="LineNr"> 740 </span><span class="Delimiter">:(scenario specialize_inside_recipe_without_header)</span>
<span id="L741" class="LineNr"> 741 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L742" class="LineNr"> 742 </span>  foo <span class="Constant">3</span>
<span id="L743" class="LineNr"> 743 </span>]
<span id="L744" class="LineNr"> 744 </span><span class="muRecipe">def</span> foo [
<span id="L745" class="LineNr"> 745 </span>  local-scope
<span id="L746" class="LineNr"> 746 </span>  <span class="Normal">x</span>:num<span class="Special"> &lt;- </span>next-ingredient  <span class="Comment"># ensure no header</span>
<span id="L747" class="LineNr"> 747 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>bar x  <span class="Comment"># call a shape-shifting recipe</span>
<span id="L748" class="LineNr"> 748 </span>]
<span id="L749" class="LineNr"> 749 </span><span class="muRecipe">def</span> bar x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
<span id="L750" class="LineNr"> 750 </span>  local-scope
<span id="L751" class="LineNr"> 751 </span>  load-ingredients
<span id="L752" class="LineNr"> 752 </span>  y<span class="Special"> &lt;- </span>add x<span class="Delimiter">,</span> <span class="Constant">1</span>
<span id="L753" class="LineNr"> 753 </span>]
<span id="L754" class="LineNr"> 754 </span><span class="traceContains">+mem: storing 4 in location 1</span>
<span id="L755" class="LineNr"> 755 </span>
<span id="L756" class="LineNr"> 756 </span><span class="Delimiter">:(scenario specialize_with_literal)</span>
<span id="L757" class="LineNr"> 757 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L758" class="LineNr"> 758 </span>  local-scope
<span id="L759" class="LineNr"> 759 </span>  <span class="Comment"># permit literal to map to number</span>
<span id="L760" class="LineNr"> 760 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>foo <span class="Constant">3</span>
<span id="L761" class="LineNr"> 761 </span>]
<span id="L762" class="LineNr"> 762 </span><span class="muRecipe">def</span> foo x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
<span id="L763" class="LineNr"> 763 </span>  local-scope
<span id="L764" class="LineNr"> 764 </span>  load-ingredients
<span id="L765" class="LineNr"> 765 </span>  y<span class="Special"> &lt;- </span>add x<span class="Delimiter">,</span> <span class="Constant">1</span>
<span id="L766" class="LineNr"> 766 </span>]
<span id="L767" class="LineNr"> 767 </span><span class="traceContains">+mem: storing 4 in location 1</span>
<span id="L768" class="LineNr"> 768 </span>
<span id="L769" class="LineNr"> 769 </span><span class="Delimiter">:(scenario specialize_with_literal_2)</span>
<span id="L770" class="LineNr"> 770 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L771" class="LineNr"> 771 </span>  local-scope
<span id="L772" class="LineNr"> 772 </span>  <span class="Comment"># permit literal to map to character</span>
<span id="L773" class="LineNr"> 773 </span>  <span class="Constant">1</span>:<span class="Normal">char</span>/<span class="Special">raw &lt;- </span>foo <span class="Constant">3</span>
<span id="L774" class="LineNr"> 774 </span>]
<span id="L775" class="LineNr"> 775 </span><span class="muRecipe">def</span> foo x:_elem<span class="muRecipe"> -&gt; </span>y:_elem [
<span id="L776" class="LineNr"> 776 </span>  local-scope
<span id="L777" class="LineNr"> 777 </span>  load-ingredients
<span id="L778" class="LineNr"> 778 </span>  y<span class="Special"> &lt;- </span>add x<span class="Delimiter">,</span> <span class="Constant">1</span>
<span id="L779" class="LineNr"> 779 </span>]
<span id="L780" class="LineNr"> 780 </span><span class="traceContains">+mem: storing 4 in location 1</span>
<span id="L781" class="LineNr"> 781 </span>
<span id="L782" class="LineNr"> 782 </span><span class="Delimiter">:(scenario specialize_with_literal_3)</span>
<span id="L783" class="LineNr"> 783 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L784" class="LineNr"> 784 </span>  local-scope
<span id="L785" class="LineNr"> 785 </span>  <span class="Comment"># permit '0' to map to address to shape-shifting type-ingredient</span>
<span id="L786" class="LineNr"> 786 </span>  <span class="Constant">1</span>:&amp;:<span class="Normal">char</span>/<span class="Special">raw &lt;- </span>foo<span class="Constant"> null</span>
<span id="L787" class="LineNr"> 787 </span>]
<span id="L788" class="LineNr"> 788 </span><span class="muRecipe">def</span> foo x:&amp;:_elem<span class="muRecipe"> -&gt; </span>y:&amp;:_elem [
<span id="L789" class="LineNr"> 789 </span>  local-scope
<span id="L790" class="LineNr"> 790 </span>  load-ingredients
<span id="L791" class="LineNr"> 791 </span>  y<span class="Special"> &lt;- </span>copy x
<span id="L792" class="LineNr"> 792 </span>]
<span id="L793" class="LineNr"> 793 </span><span class="traceContains">+mem: storing 0 in location 1</span>
<span id="L794" class="LineNr"> 794 </span>$error: <span class="Constant">0</span>
<span id="L795" class="LineNr"> 795 </span>
<span id="L796" class="LineNr"> 796 </span><span class="Delimiter">:(scenario specialize_with_literal_4)</span>
<span id="L797" class="LineNr"> 797 </span><span class="Special">% Hide_errors = true;</span>
<span id="L798" class="LineNr"> 798 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L799" class="LineNr"> 799 </span>  local-scope
<span id="L800" class="LineNr"> 800 </span>  <span class="Comment"># ambiguous call: what's the type of its ingredient?!</span>
<span id="L801" class="LineNr"> 801 </span>  foo <span class="Constant">0</span>
<span id="L802" class="LineNr"> 802 </span>]
<span id="L803" class="LineNr"> 803 </span><span class="muRecipe">def</span> foo x:&amp;:_elem<span class="muRecipe"> -&gt; </span>y:&amp;:_elem [
<span id="L804" class="LineNr"> 804 </span>  local-scope
<span id="L805" class="LineNr"> 805 </span>  load-ingredients
<span id="L806" class="LineNr"> 806 </span>  y<span class="Special"> &lt;- </span>copy x
<span id="L807" class="LineNr"> 807 </span>]
<span id="L808" class="LineNr"> 808 </span><span class="traceContains">+error: <a href='000organization.cc.html#L113'>main</a>: <a href='010vm.cc.html#L33'>instruction</a> 'foo' has no valid specialization</span>
<span id="L809" class="LineNr"> 809 </span>
<span id="L810" class="LineNr"> 810 </span><span class="Delimiter">:(scenario specialize_with_literal_5)</span>
<span id="L811" class="LineNr"> 811 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L812" class="LineNr"> 812 </span>  foo <span class="Constant">3</span><span class="Delimiter">,</span> <span class="Constant">4</span>  <span class="Comment"># recipe mapping two variables to literals</span>
<span id="L813" class="LineNr"> 813 </span>]
<span id="L814" class="LineNr"> 814 </span><span class="muRecipe">def</span> foo x:_elem<span class="Delimiter">,</span> y:_elem [
<span id="L815" class="LineNr"> 815 </span>  local-scope
<span id="L816" class="LineNr"> 816 </span>  load-ingredients
<span id="L817" class="LineNr"> 817 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>add x<span class="Delimiter">,</span> y
<span id="L818" class="LineNr"> 818 </span>]
<span id="L819" class="LineNr"> 819 </span><span class="traceContains">+mem: storing 7 in location 1</span>
<span id="L820" class="LineNr"> 820 </span>
<span id="L821" class="LineNr"> 821 </span><span class="Delimiter">:(scenario multiple_shape_shifting_variants)</span>
<span id="L822" class="LineNr"> 822 </span><span class="Comment"># try to call two different shape-shifting recipes with the same name</span>
<span id="L823" class="LineNr"> 823 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L824" class="LineNr"> 824 </span>  <span class="Normal">e1</span>:d1:num<span class="Special"> &lt;- </span>merge <span class="Constant">3</span>
<span id="L825" class="LineNr"> 825 </span>  <span class="Normal">e2</span>:d2:num<span class="Special"> &lt;- </span>merge <span class="Constant">4</span><span class="Delimiter">,</span> <span class="Constant">5</span>
<span id="L826" class="LineNr"> 826 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>foo e1
<span id="L827" class="LineNr"> 827 </span>  <span class="Constant">2</span>:num/<span class="Special">raw &lt;- </span>foo e2
<span id="L828" class="LineNr"> 828 </span>]
<span id="L829" class="LineNr"> 829 </span><span class="Comment"># the two shape-shifting definitions</span>
<span id="L830" class="LineNr"> 830 </span><span class="muRecipe">def</span> foo a:d1:_elem<span class="muRecipe"> -&gt; </span>b:num [
<span id="L831" class="LineNr"> 831 </span>  local-scope
<span id="L832" class="LineNr"> 832 </span>  load-ingredients
<span id="L833" class="LineNr"> 833 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L834" class="LineNr"> 834 </span>]
<span id="L835" class="LineNr"> 835 </span><span class="muRecipe">def</span> foo a:d2:_elem<span class="muRecipe"> -&gt; </span>b:num [
<span id="L836" class="LineNr"> 836 </span>  local-scope
<span id="L837" class="LineNr"> 837 </span>  load-ingredients
<span id="L838" class="LineNr"> 838 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L839" class="LineNr"> 839 </span>]
<span id="L840" class="LineNr"> 840 </span><span class="Comment"># the shape-shifting containers they use</span>
<span id="L841" class="LineNr"> 841 </span><span class="muData">container</span> d1:_elem [
<span id="L842" class="LineNr"> 842 </span>  <span class="Normal">x</span>:_elem
<span id="L843" class="LineNr"> 843 </span>]
<span id="L844" class="LineNr"> 844 </span><span class="muData">container</span> d2:_elem [
<span id="L845" class="LineNr"> 845 </span>  <span class="Normal">x</span>:num
<span id="L846" class="LineNr"> 846 </span>  <span class="Normal">y</span>:_elem
<span id="L847" class="LineNr"> 847 </span>]
<span id="L848" class="LineNr"> 848 </span><span class="traceContains">+mem: storing 34 in location 1</span>
<span id="L849" class="LineNr"> 849 </span><span class="traceContains">+mem: storing 35 in location 2</span>
<span id="L850" class="LineNr"> 850 </span>
<span id="L851" class="LineNr"> 851 </span><span class="Delimiter">:(scenario multiple_shape_shifting_variants_2)</span>
<span id="L852" class="LineNr"> 852 </span><span class="Comment"># static dispatch between shape-shifting variants, _including pointer lookups_</span>
<span id="L853" class="LineNr"> 853 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L854" class="LineNr"> 854 </span>  <span class="Normal">e1</span>:d1:num<span class="Special"> &lt;- </span>merge <span class="Constant">3</span>
<span id="L855" class="LineNr"> 855 </span>  <span class="Normal">e2</span>:&amp;:d2:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Delimiter">{(</span>d2 number<span class="Delimiter">)</span>: type<span class="Delimiter">}</span>
<span id="L856" class="LineNr"> 856 </span>  <span class="Constant">1</span>:num/<span class="Special">raw &lt;- </span>foo e1
<span id="L857" class="LineNr"> 857 </span>  <span class="Constant">2</span>:num/<span class="Special">raw &lt;- </span>foo *e2  <span class="Comment"># different from previous scenario</span>
<span id="L858" class="LineNr"> 858 </span>]
<span id="L859" class="LineNr"> 859 </span><span class="muRecipe">def</span> foo a:d1:_elem<span class="muRecipe"> -&gt; </span>b:num [
<span id="L860" class="LineNr"> 860 </span>  local-scope
<span id="L861" class="LineNr"> 861 </span>  load-ingredients
<span id="L862" class="LineNr"> 862 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L863" class="LineNr"> 863 </span>]
<span id="L864" class="LineNr"> 864 </span><span class="muRecipe">def</span> foo a:d2:_elem<span class="muRecipe"> -&gt; </span>b:num [
<span id="L865" class="LineNr"> 865 </span>  local-scope
<span id="L866" class="LineNr"> 866 </span>  load-ingredients
<span id="L867" class="LineNr"> 867 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L868" class="LineNr"> 868 </span>]
<span id="L869" class="LineNr"> 869 </span><span class="muData">container</span> d1:_elem [
<span id="L870" class="LineNr"> 870 </span>  <span class="Normal">x</span>:_elem
<span id="L871" class="LineNr"> 871 </span>]
<span id="L872" class="LineNr"> 872 </span><span class="muData">container</span> d2:_elem [
<span id="L873" class="LineNr"> 873 </span>  <span class="Normal">x</span>:num
<span id="L874" class="LineNr"> 874 </span>  <span class="Normal">y</span>:_elem
<span id="L875" class="LineNr"> 875 </span>]
<span id="L876" class="LineNr"> 876 </span><span class="traceContains">+mem: storing 34 in location 1</span>
<span id="L877" class="LineNr"> 877 </span><span class="traceContains">+mem: storing 35 in location 2</span>
<span id="L878" class="LineNr"> 878 </span>
<span id="L879" class="LineNr"> 879 </span><span class="Delimiter">:(scenario missing_type_in_shape_shifting_recipe)</span>
<span id="L880" class="LineNr"> 880 </span><span class="Special">% Hide_errors = true;</span>
<span id="L881" class="LineNr"> 881 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L882" class="LineNr"> 882 </span>  <span class="Normal">a</span>:d1:num<span class="Special"> &lt;- </span>merge <span class="Constant">3</span>
<span id="L883" class="LineNr"> 883 </span>  foo a
<span id="L884" class="LineNr"> 884 </span>]
<span id="L885" class="LineNr"> 885 </span><span class="muRecipe">def</span> foo a:d1:_elem<span class="muRecipe"> -&gt; </span>b:num [
<span id="L886" class="LineNr"> 886 </span>  local-scope
<span id="L887" class="LineNr"> 887 </span>  load-ingredients
<span id="L888" class="LineNr"> 888 </span>  copy e  <span class="Comment"># no such variable</span>
<span id="L889" class="LineNr"> 889 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L890" class="LineNr"> 890 </span>]
<span id="L891" class="LineNr"> 891 </span><span class="muData">container</span> d1:_elem [
<span id="L892" class="LineNr"> 892 </span>  <span class="Normal">x</span>:_elem
<span id="L893" class="LineNr"> 893 </span>]
<span id="L894" class="LineNr"> 894 </span><span class="traceContains">+error: foo: unknown type for 'e' in 'copy e' (check the name for typos)</span>
<span id="L895" class="LineNr"> 895 </span><span class="traceContains">+error: specializing foo: missing type for 'e'</span>
<span id="L896" class="LineNr"> 896 </span><span class="Comment"># and it doesn't crash</span>
<span id="L897" class="LineNr"> 897 </span>
<span id="L898" class="LineNr"> 898 </span><span class="Delimiter">:(scenario missing_type_in_shape_shifting_recipe_2)</span>
<span id="L899" class="LineNr"> 899 </span><span class="Special">% Hide_errors = true;</span>
<span id="L900" class="LineNr"> 900 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L901" class="LineNr"> 901 </span>  <span class="Normal">a</span>:d1:num<span class="Special"> &lt;- </span>merge <span class="Constant">3</span>
<span id="L902" class="LineNr"> 902 </span>  foo a
<span id="L903" class="LineNr"> 903 </span>]
<span id="L904" class="LineNr"> 904 </span><span class="muRecipe">def</span> foo a:d1:_elem<span class="muRecipe"> -&gt; </span>b:num [
<span id="L905" class="LineNr"> 905 </span>  local-scope
<span id="L906" class="LineNr"> 906 </span>  load-ingredients
<span id="L907" class="LineNr"> 907 </span>  get e<span class="Delimiter">,</span> <span class="Constant">x:offset</span>  <span class="Comment"># unknown variable in a 'get', which does some extra checking</span>
<span id="L908" class="LineNr"> 908 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L909" class="LineNr"> 909 </span>]
<span id="L910" class="LineNr"> 910 </span><span class="muData">container</span> d1:_elem [
<span id="L911" class="LineNr"> 911 </span>  <span class="Normal">x</span>:_elem
<span id="L912" class="LineNr"> 912 </span>]
<span id="L913" class="LineNr"> 913 </span><span class="traceContains">+error: foo: unknown type for 'e' in 'get e, x:offset' (check the name for typos)</span>
<span id="L914" class="LineNr"> 914 </span><span class="traceContains">+error: specializing foo: missing type for 'e'</span>
<span id="L915" class="LineNr"> 915 </span><span class="Comment"># and it doesn't crash</span>
<span id="L916" class="LineNr"> 916 </span>
<span id="L917" class="LineNr"> 917 </span><span class="Delimiter">:(scenarios transform)</span>
<span id="L918" class="LineNr"> 918 </span><span class="Delimiter">:(scenario specialize_recursive_shape_shifting_recipe)</span>
<span id="L919" class="LineNr"> 919 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L920" class="LineNr"> 920 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L921" class="LineNr"> 921 </span>  <span class="Constant">2</span>:num<span class="Special"> &lt;- </span>foo <span class="Constant">1</span>:num
<span id="L922" class="LineNr"> 922 </span>]
<span id="L923" class="LineNr"> 923 </span><span class="muRecipe">def</span> foo x:_elem<span class="muRecipe"> -&gt; </span>y:num [
<span id="L924" class="LineNr"> 924 </span>  local-scope
<span id="L925" class="LineNr"> 925 </span>  load-ingredients
<span id="L926" class="LineNr"> 926 </span>  <span class="Delimiter">{</span>
<span id="L927" class="LineNr"> 927 </span>    <span class="Identifier">break</span>
<span id="L928" class="LineNr"> 928 </span>    <span class="Normal">y</span>:num<span class="Special"> &lt;- </span>foo x
<span id="L929" class="LineNr"> 929 </span>  <span class="Delimiter">}</span>
<span id="L930" class="LineNr"> 930 </span>  <span class="Identifier">return</span> y
<span id="L931" class="LineNr"> 931 </span>]
<span id="L932" class="LineNr"> 932 </span><span class="traceContains">+transform: new specialization: foo_2</span>
<span id="L933" class="LineNr"> 933 </span><span class="Comment"># transform terminates</span>
<span id="L934" class="LineNr"> 934 </span>
<span id="L935" class="LineNr"> 935 </span><span class="Delimiter">:(scenarios run)</span>
<span id="L936" class="LineNr"> 936 </span><span class="Delimiter">:(scenario specialize_most_similar_variant)</span>
<span id="L937" class="LineNr"> 937 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L938" class="LineNr"> 938 </span>  <span class="Constant">1</span>:&amp;:num<span class="Special"> &lt;- </span><span class="Normal">new</span> <span class="Constant">number:type</span>
<span id="L939" class="LineNr"> 939 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>foo <span class="Constant">1</span>:&amp;:num
<span id="L940" class="LineNr"> 940 </span>]
<span id="L941" class="LineNr"> 941 </span><span class="muRecipe">def</span> foo x:_elem<span class="muRecipe"> -&gt; </span>y:num [
<span id="L942" class="LineNr"> 942 </span>  local-scope
<span id="L943" class="LineNr"> 943 </span>  load-ingredients
<span id="L944" class="LineNr"> 944 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L945" class="LineNr"> 945 </span>]
<span id="L946" class="LineNr"> 946 </span><span class="muRecipe">def</span> foo x:&amp;:_elem<span class="muRecipe"> -&gt; </span>y:num [
<span id="L947" class="LineNr"> 947 </span>  local-scope
<span id="L948" class="LineNr"> 948 </span>  load-ingredients
<span id="L949" class="LineNr"> 949 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L950" class="LineNr"> 950 </span>]
<span id="L951" class="LineNr"> 951 </span><span class="traceContains">+mem: storing 35 in location 10</span>
<span id="L952" class="LineNr"> 952 </span>
<span id="L953" class="LineNr"> 953 </span><span class="Delimiter">:(scenario specialize_most_similar_variant_2)</span>
<span id="L954" class="LineNr"> 954 </span><span class="Comment"># version with headers padded with lots of unrelated concrete types</span>
<span id="L955" class="LineNr"> 955 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L956" class="LineNr"> 956 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">23</span>
<span id="L957" class="LineNr"> 957 </span>  <span class="Constant">2</span>:&amp;:@:num<span class="Special"> &lt;- </span>copy<span class="Constant"> null</span>
<span id="L958" class="LineNr"> 958 </span>  <span class="Constant">4</span>:num<span class="Special"> &lt;- </span>foo <span class="Constant">2</span>:&amp;:@:num<span class="Delimiter">,</span> <span class="Constant">1</span>:num
<span id="L959" class="LineNr"> 959 </span>]
<span id="L960" class="LineNr"> 960 </span><span class="Comment"># variant with concrete type</span>
<span id="L961" class="LineNr"> 961 </span><span class="muRecipe">def</span> foo dummy:&amp;:@:num<span class="Delimiter">,</span> x:num<span class="muRecipe"> -&gt; </span>y:num<span class="Delimiter">,</span> dummy:&amp;:@:num [
<span id="L962" class="LineNr"> 962 </span>  local-scope
<span id="L963" class="LineNr"> 963 </span>  load-ingredients
<span id="L964" class="LineNr"> 964 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L965" class="LineNr"> 965 </span>]
<span id="L966" class="LineNr"> 966 </span><span class="Comment"># shape-shifting variant</span>
<span id="L967" class="LineNr"> 967 </span><span class="muRecipe">def</span> foo dummy:&amp;:@:num<span class="Delimiter">,</span> x:_elem<span class="muRecipe"> -&gt; </span>y:num<span class="Delimiter">,</span> dummy:&amp;:@:num [
<span id="L968" class="LineNr"> 968 </span>  local-scope
<span id="L969" class="LineNr"> 969 </span>  load-ingredients
<span id="L970" class="LineNr"> 970 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L971" class="LineNr"> 971 </span>]
<span id="L972" class="LineNr"> 972 </span><span class="Comment"># prefer the concrete variant</span>
<span id="L973" class="LineNr"> 973 </span><span class="traceContains">+mem: storing 34 in location 4</span>
<span id="L974" class="LineNr"> 974 </span>
<span id="L975" class="LineNr"> 975 </span><span class="Delimiter">:(scenario specialize_most_similar_variant_3)</span>
<span id="L976" class="LineNr"> 976 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L977" class="LineNr"> 977 </span>  <span class="Constant">1</span>:text<span class="Special"> &lt;- </span><span class="Normal">new</span> [abc]
<span id="L978" class="LineNr"> 978 </span>  foo <span class="Constant">1</span>:text
<span id="L979" class="LineNr"> 979 </span>]
<span id="L980" class="LineNr"> 980 </span><span class="muRecipe">def</span> foo x:text [
<span id="L981" class="LineNr"> 981 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L982" class="LineNr"> 982 </span>]
<span id="L983" class="LineNr"> 983 </span><span class="muRecipe">def</span> foo x:&amp;:_elem [
<span id="L984" class="LineNr"> 984 </span>  <span class="Constant">10</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">35</span>
<span id="L985" class="LineNr"> 985 </span>]
<span id="L986" class="LineNr"> 986 </span><span class="Comment"># make sure the more precise version was used</span>
<span id="L987" class="LineNr"> 987 </span><span class="traceContains">+mem: storing 34 in location 10</span>
<span id="L988" class="LineNr"> 988 </span>
<span id="L989" class="LineNr"> 989 </span><span class="Delimiter">:(scenario specialize_literal_as_number)</span>
<span id="L990" class="LineNr"> 990 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L991" class="LineNr"> 991 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>foo <span class="Constant">23</span>
<span id="L992" class="LineNr"> 992 </span>]
<span id="L993" class="LineNr"> 993 </span><span class="muRecipe">def</span> foo x:_elem<span class="muRecipe"> -&gt; </span>y:num [
<span id="L994" class="LineNr"> 994 </span>  local-scope
<span id="L995" class="LineNr"> 995 </span>  load-ingredients
<span id="L996" class="LineNr"> 996 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L997" class="LineNr"> 997 </span>]
<span id="L998" class="LineNr"> 998 </span><span class="muRecipe">def</span> foo x:<span class="Normal">char</span><span class="muRecipe"> -&gt; </span>y:num [
<span id="L999" class="LineNr"> 999 </span>  local-scope
<span id="L1000" class="LineNr">1000 </span>  load-ingredients
<span id="L1001" class="LineNr">1001 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L1002" class="LineNr">1002 </span>]
<span id="L1003" class="LineNr">1003 </span><span class="traceContains">+mem: storing 34 in location 1</span>
<span id="L1004" class="LineNr">1004 </span>
<span id="L1005" class="LineNr">1005 </span><span class="Delimiter">:(scenario specialize_literal_as_number_2)</span>
<span id="L1006" class="LineNr">1006 </span><span class="Comment"># version calling with literal</span>
<span id="L1007" class="LineNr">1007 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1008" class="LineNr">1008 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>foo <span class="Constant">0</span>
<span id="L1009" class="LineNr">1009 </span>]
<span id="L1010" class="LineNr">1010 </span><span class="Comment"># variant with concrete type</span>
<span id="L1011" class="LineNr">1011 </span><span class="muRecipe">def</span> foo x:num<span class="muRecipe"> -&gt; </span>y:num [
<span id="L1012" class="LineNr">1012 </span>  local-scope
<span id="L1013" class="LineNr">1013 </span>  load-ingredients
<span id="L1014" class="LineNr">1014 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L1015" class="LineNr">1015 </span>]
<span id="L1016" class="LineNr">1016 </span><span class="Comment"># shape-shifting variant</span>
<span id="L1017" class="LineNr">1017 </span><span class="muRecipe">def</span> foo x:&amp;:_elem<span class="muRecipe"> -&gt; </span>y:num [
<span id="L1018" class="LineNr">1018 </span>  local-scope
<span id="L1019" class="LineNr">1019 </span>  load-ingredients
<span id="L1020" class="LineNr">1020 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L1021" class="LineNr">1021 </span>]
<span id="L1022" class="LineNr">1022 </span><span class="Comment"># prefer the concrete variant, ignore concrete types in scoring the shape-shifting variant</span>
<span id="L1023" class="LineNr">1023 </span><span class="traceContains">+mem: storing 34 in location 1</span>
<span id="L1024" class="LineNr">1024 </span>
<span id="L1025" class="LineNr">1025 </span><span class="Delimiter">:(scenario specialize_literal_as_address)</span>
<span id="L1026" class="LineNr">1026 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1027" class="LineNr">1027 </span>  <span class="Constant">1</span>:num<span class="Special"> &lt;- </span>foo<span class="Constant"> null</span>
<span id="L1028" class="LineNr">1028 </span>]
<span id="L1029" class="LineNr">1029 </span><span class="Comment"># variant with concrete address type</span>
<span id="L1030" class="LineNr">1030 </span><span class="muRecipe">def</span> foo x:&amp;:num<span class="muRecipe"> -&gt; </span>y:num [
<span id="L1031" class="LineNr">1031 </span>  local-scope
<span id="L1032" class="LineNr">1032 </span>  load-ingredients
<span id="L1033" class="LineNr">1033 </span>  <span class="Identifier">return</span> <span class="Constant">34</span>
<span id="L1034" class="LineNr">1034 </span>]
<span id="L1035" class="LineNr">1035 </span><span class="Comment"># shape-shifting variant</span>
<span id="L1036" class="LineNr">1036 </span><span class="muRecipe">def</span> foo x:&amp;:_elem<span class="muRecipe"> -&gt; </span>y:num [
<span id="L1037" class="LineNr">1037 </span>  local-scope
<span id="L1038" class="LineNr">1038 </span>  load-ingredients
<span id="L1039" class="LineNr">1039 </span>  <span class="Identifier">return</span> <span class="Constant">35</span>
<span id="L1040" class="LineNr">1040 </span>]
<span id="L1041" class="LineNr">1041 </span><span class="Comment"># prefer the concrete variant, ignore concrete types in scoring the shape-shifting variant</span>
<span id="L1042" class="LineNr">1042 </span><span class="traceContains">+mem: storing 34 in location 1</span>
<span id="L1043" class="LineNr">1043 </span>
<span id="L1044" class="LineNr">1044 </span><span class="Delimiter">:(scenario missing_type_during_specialization)</span>
<span id="L1045" class="LineNr">1045 </span><span class="Special">% Hide_errors = true;</span>
<span id="L1046" class="LineNr">1046 </span><span class="Comment"># define a shape-shifting recipe</span>
<span id="L1047" class="LineNr">1047 </span><span class="muRecipe">def</span> foo a:_elem [
<span id="L1048" class="LineNr">1048 </span>]
<span id="L1049" class="LineNr">1049 </span><span class="Comment"># define a container with field 'z'</span>
<span id="L1050" class="LineNr">1050 </span><span class="muData">container</span> foo2 [
<span id="L1051" class="LineNr">1051 </span>  <span class="Normal">z</span>:num
<span id="L1052" class="LineNr">1052 </span>]
<span id="L1053" class="LineNr">1053 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1054" class="LineNr">1054 </span>  local-scope
<span id="L1055" class="LineNr">1055 </span>  <span class="Normal">x</span>:foo2<span class="Special"> &lt;- </span>merge <span class="Constant">34</span>
<span id="L1056" class="LineNr">1056 </span>  <span class="Normal">y</span>:num<span class="Special"> &lt;- </span>get x<span class="Delimiter">,</span> z:offse  <span class="Comment"># typo in 'offset'</span>
<span id="L1057" class="LineNr">1057 </span>  <span class="Comment"># define a variable with the same name 'z'</span>
<span id="L1058" class="LineNr">1058 </span>  <span class="Normal">z</span>:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L1059" class="LineNr">1059 </span>  <span class="Comment"># trigger specialization of the shape-shifting recipe</span>
<span id="L1060" class="LineNr">1060 </span>  foo z
<span id="L1061" class="LineNr">1061 </span>]
<span id="L1062" class="LineNr">1062 </span><span class="Comment"># shouldn't crash</span>
<span id="L1063" class="LineNr">1063 </span>
<span id="L1064" class="LineNr">1064 </span><span class="Delimiter">:(scenario missing_type_during_specialization2)</span>
<span id="L1065" class="LineNr">1065 </span><span class="Special">% Hide_errors = true;</span>
<span id="L1066" class="LineNr">1066 </span><span class="Comment"># define a shape-shifting recipe</span>
<span id="L1067" class="LineNr">1067 </span><span class="muRecipe">def</span> foo a:_elem [
<span id="L1068" class="LineNr">1068 </span>]
<span id="L1069" class="LineNr">1069 </span><span class="Comment"># define a container with field 'z'</span>
<span id="L1070" class="LineNr">1070 </span><span class="muData">container</span> foo2 [
<span id="L1071" class="LineNr">1071 </span>  <span class="Normal">z</span>:num
<span id="L1072" class="LineNr">1072 </span>]
<span id="L1073" class="LineNr">1073 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1074" class="LineNr">1074 </span>  local-scope
<span id="L1075" class="LineNr">1075 </span>  <span class="Normal">x</span>:foo2<span class="Special"> &lt;- </span>merge <span class="Constant">34</span>
<span id="L1076" class="LineNr">1076 </span>  <span class="Normal">y</span>:num<span class="Special"> &lt;- </span>get x<span class="Delimiter">,</span> z:offse  <span class="Comment"># typo in 'offset'</span>
<span id="L1077" class="LineNr">1077 </span>  <span class="Comment"># define a variable with the same name 'z'</span>
<span id="L1078" class="LineNr">1078 </span>  <span class="Normal">z</span>:&amp;:num<span class="Special"> &lt;- </span>copy <span class="Constant">34</span>
<span id="L1079" class="LineNr">1079 </span>  <span class="Comment"># trigger specialization of the shape-shifting recipe</span>
<span id="L1080" class="LineNr">1080 </span>  foo *z
<span id="L1081" class="LineNr">1081 </span>]
<span id="L1082" class="LineNr">1082 </span><span class="Comment"># shouldn't crash</span>
<span id="L1083" class="LineNr">1083 </span>
<span id="L1084" class="LineNr">1084 </span><span class="Delimiter">:(scenario tangle_shape_shifting_recipe)</span>
<span id="L1085" class="LineNr">1085 </span><span class="Comment"># shape-shifting recipe</span>
<span id="L1086" class="LineNr">1086 </span><span class="muRecipe">def</span> foo a:_elem [
<span id="L1087" class="LineNr">1087 </span>  local-scope
<span id="L1088" class="LineNr">1088 </span>  load-ingredients
<span id="L1089" class="LineNr">1089 </span>  &lt;label1&gt;
<span id="L1090" class="LineNr">1090 </span>]
<span id="L1091" class="LineNr">1091 </span><span class="Comment"># tangle some code that refers to the type ingredient</span>
<span id="L1092" class="LineNr">1092 </span><span class="muRecipe">after</span> &lt;label1&gt; [
<span id="L1093" class="LineNr">1093 </span>  <span class="Normal">b</span>:_elem<span class="Special"> &lt;- </span>copy a
<span id="L1094" class="LineNr">1094 </span>]
<span id="L1095" class="LineNr">1095 </span><span class="Comment"># trigger specialization</span>
<span id="L1096" class="LineNr">1096 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1097" class="LineNr">1097 </span>  local-scope
<span id="L1098" class="LineNr">1098 </span>  foo <span class="Constant">34</span>
<span id="L1099" class="LineNr">1099 </span>]
<span id="L1100" class="LineNr">1100 </span>$error: <span class="Constant">0</span>
<span id="L1101" class="LineNr">1101 </span>
<span id="L1102" class="LineNr">1102 </span><span class="Delimiter">:(scenario tangle_shape_shifting_recipe_with_type_abbreviation)</span>
<span id="L1103" class="LineNr">1103 </span><span class="Comment"># shape-shifting recipe</span>
<span id="L1104" class="LineNr">1104 </span><span class="muRecipe">def</span> foo a:_elem [
<span id="L1105" class="LineNr">1105 </span>  local-scope
<span id="L1106" class="LineNr">1106 </span>  load-ingredients
<span id="L1107" class="LineNr">1107 </span>  &lt;label1&gt;
<span id="L1108" class="LineNr">1108 </span>]
<span id="L1109" class="LineNr">1109 </span><span class="Comment"># tangle some code that refers to the type ingredient</span>
<span id="L1110" class="LineNr">1110 </span><span class="muRecipe">after</span> &lt;label1&gt; [
<span id="L1111" class="LineNr">1111 </span>  <span class="Normal">b</span>:<span class="Normal">bool</span><span class="Special"> &lt;- </span>copy<span class="Constant"> false</span>  <span class="Comment"># type abbreviation</span>
<span id="L1112" class="LineNr">1112 </span>]
<span id="L1113" class="LineNr">1113 </span><span class="Comment"># trigger specialization</span>
<span id="L1114" class="LineNr">1114 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1115" class="LineNr">1115 </span>  local-scope
<span id="L1116" class="LineNr">1116 </span>  foo <span class="Constant">34</span>
<span id="L1117" class="LineNr">1117 </span>]
<span id="L1118" class="LineNr">1118 </span>$error: <span class="Constant">0</span>
<span id="L1119" class="LineNr">1119 </span>
<span id="L1120" class="LineNr">1120 </span><span class="Delimiter">:(scenario shape_shifting_recipe_coexists_with_primitive)</span>
<span id="L1121" class="LineNr">1121 </span><span class="Comment"># recipe overloading a primitive with a generic type</span>
<span id="L1122" class="LineNr">1122 </span><span class="muRecipe">def</span> add a:&amp;:foo:_elem [
<span id="L1123" class="LineNr">1123 </span>  assert <span class="Constant">0</span><span class="Delimiter">,</span> [should <span class="Normal">not</span> get here]
<span id="L1124" class="LineNr">1124 </span>]
<span id="L1125" class="LineNr">1125 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1126" class="LineNr">1126 </span>  <span class="Comment"># call primitive add with literal 0</span>
<span id="L1127" class="LineNr">1127 </span>  add <span class="Constant">0</span><span class="Delimiter">,</span> <span class="Constant">0</span>
<span id="L1128" class="LineNr">1128 </span>]
<span id="L1129" class="LineNr">1129 </span>$error: <span class="Constant">0</span>
<span id="L1130" class="LineNr">1130 </span>
<span id="L1131" class="LineNr">1131 </span><span class="Delimiter">:(scenario specialization_heuristic_test_1)</span>
<span id="L1132" class="LineNr">1132 </span><span class="Comment"># modeled on the 'buffer' container in text.mu</span>
<span id="L1133" class="LineNr">1133 </span><span class="muData">container</span> foo_buffer:_elem [
<span id="L1134" class="LineNr">1134 </span>  <span class="Normal">x</span>:num
<span id="L1135" class="LineNr">1135 </span>]
<span id="L1136" class="LineNr">1136 </span><span class="muRecipe">def</span> <a href='000organization.cc.html#L113'>main</a> [
<span id="L1137" class="LineNr">1137 </span>  append <span class="Constant">1</span>:&amp;:foo_buffer:<span class="Normal">char</span>/<span class="Special">raw</span><span class="Delimiter">,</span> <span class="Constant">2</span>:text/<span class="Special">raw</span>
<span id="L1138" class="LineNr">1138 </span>]
<span id="L1139" class="LineNr">1139 </span><span class="muRecipe">def</span> append buf:&amp;:foo_buffer:_elem<span class="Delimiter">,</span> x:_elem<span class="muRecipe"> -&gt; </span>buf:&amp;:foo_buffer:_elem [
<span id="L1140" class="LineNr">1140 </span>  local-scope
<span id="L1141" class="LineNr">1141 </span>  load-ingredients
<span id="L1142" class="LineNr">1142 </span>  stash <span class="Constant">34</span>
<span id="L1143" class="LineNr">1143 </span>]
<span id="L1144" class="LineNr">1144 </span><span class="muRecipe">def</span> append buf:&amp;:foo_buffer:<span class="Normal">char</span><span class="Delimiter">,</span> x:_elem<span class="muRecipe"> -&gt; </span>buf:&amp;:foo_buffer:<span class="Normal">char</span> [
<span id="L1145" class="LineNr">1145 </span>  local-scope
<span id="L1146" class="LineNr">1146 </span>  load-ingredients
<span id="L1147" class="LineNr">1147 </span>  stash <span class="Constant">35</span>
<span id="L1148" class="LineNr">1148 </span>]
<span id="L1149" class="LineNr">1149 </span><span class="muRecipe">def</span> append buf:&amp;:foo_buffer:_elem<span class="Delimiter">,</span> x:&amp;:@:_elem<span class="muRecipe"> -&gt; </span>buf:&amp;:foo_buffer:_elem [
<span id="L1150" class="LineNr">1150 </span>  local-scope
<span id="L1151" class="LineNr">1151 </span>  load-ingredients
<span id="L1152" class="LineNr">1152 </span>  stash <span class="Constant">36</span>
<span id="L1153" class="LineNr">1153 </span>]
<span id="L1154" class="LineNr">1154 </span><span class="traceContains">+app: 36</span>
</pre>
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